List of numbers – Integers 10000 10000 (number) 10000 is the natural number following 9999 and preceding 10001.-Name:Many languages have a specific word for this number: In English it is myriad, in Ancient Greek , in Aramaic , in Hebrew רבבה , in Chinese , in Japanese [man], in Korean [man], and in Thai หมื่น [meun]...  100000 1000000 Million One million or one thousand thousand, is the natural number following 999,999 and preceding 1,000,001. The word is derived from the early Italian millione , from mille, "thousand", plus the augmentative suffix -one.In scientific notation, it is written as or just 106...
Cardinal Cardinal number In mathematics, cardinal numbers, or cardinals for short, are a generalization of the natural numbers used to measure the cardinality of sets. The cardinality of a finite set is a natural number – the number of elements in the set. The transfinite cardinal numbers describe the sizes of infinite...	One hundred thousand
Ordinal Ordinal number In set theory, an ordinal number, or just ordinal, is the order type of a well-ordered set. They are usually identified with hereditarily transitive sets. Ordinals are an extension of the natural numbers different from integers and from cardinals...	One hundred thousandth
Factorization Factorization In mathematics, factorization or factoring is the decomposition of an object into a product of other objects, or factors, which when multiplied together give the original...	25 · 55
Roman numeral
Roman numeral (Unicode Unicode Unicode is a computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems... )
Binary Binary numeral system The binary numeral system, or base-2 number system, represents numeric values using two symbols, 0 and 1. More specifically, the usual base-2 system is a positional notation with a radix of 2...	11000011010100000
Hexadecimal Hexadecimal In mathematics and computer science, hexadecimal is a positional numeral system with a radix, or base, of 16. It uses sixteen distinct symbols, most often the symbols 0–9 to represent values zero to nine, and A, B, C, D, E, F to represent values ten to fifteen...	186A0

One hundred thousand (100,000) is the natural number

Natural number

In mathematics, the natural numbers are the ordinary whole numbers used for counting and ordering . These purposes are related to the linguistic notions of cardinal and ordinal numbers, respectively...

 following 99999 and preceding 100001. In scientific notation

Scientific notation

Scientific notation is a way of writing numbers that are too large or too small to be conveniently written in standard decimal notation. Scientific notation has a number of useful properties and is commonly used in calculators and by scientists, mathematicians, doctors, and engineers.In scientific...

, it is written as 10⁵.

In South Asia

South Asia

South Asia, also known as Southern Asia, is the southern region of the Asian continent, which comprises the sub-Himalayan countries and, for some authorities , also includes the adjoining countries to the west and the east...

, one hundred thousand is called a lakh

Lakh

A lakh is a unit in the Indian numbering system equal to one hundred thousand . It is widely used both in official and other contexts in Pakistan, Bangladesh, India, Maldives, Nepal, Sri Lanka, Myanmar and is often used in Indian English.-Usage:...

. The Thai

Thai language

Thai , also known as Central Thai and Siamese, is the national and official language of Thailand and the native language of the Thai people, Thailand's dominant ethnic group. Thai is a member of the Tai group of the Tai–Kadai language family. Historical linguists have been unable to definitively...

, Lao

Lao language

Lao or Laotian is a tonal language of the Tai–Kadai language family. It is the official language of Laos, and also spoken in the northeast of Thailand, where it is usually referred to as the Isan language. Being the primary language of the Lao people, Lao is also an important second language for...

, Khmer

Khmer language

Khmer , or Cambodian, is the language of the Khmer people and the official language of Cambodia. It is the second most widely spoken Austroasiatic language , with speakers in the tens of millions. Khmer has been considerably influenced by Sanskrit and Pali, especially in the royal and religious...

, and Vietnamese

Vietnamese language

Vietnamese is the national and official language of Vietnam. It is the mother tongue of 86% of Vietnam's population, and of about three million overseas Vietnamese. It is also spoken as a second language by many ethnic minorities of Vietnam...

 languages also have separate words for this number: แสน, ແສນ, សែន [saen] and ức [uc] respectively.

In astronomy

Astronomy

Astronomy is a natural science that deals with the study of celestial objects and phenomena that originate outside the atmosphere of Earth...

, 100,000 metres, 100 kilometres, or 100 km (62 miles) is the altitude

Altitude

Altitude or height is defined based on the context in which it is used . As a general definition, altitude is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object. The reference datum also often varies according to the context...

 at which the Fédération Aéronautique Internationale

Fédération Aéronautique Internationale

The Fédération Aéronautique Internationale is the world governing body for air sports and aeronautics and astronautics world records. Its head office is in Lausanne, Switzerland. This includes man-carrying aerospace vehicles from balloons to spacecraft, and unmanned aerial vehicles...

 (FAI) defines spaceflight

Spaceflight

Spaceflight is the act of travelling into or through outer space. Spaceflight can occur with spacecraft which may, or may not, have humans on board. Examples of human spaceflight include the Russian Soyuz program, the U.S. Space shuttle program, as well as the ongoing International Space Station...

 to begin.

In the Irish Language

Irish language

Irish , also known as Irish Gaelic, is a Goidelic language of the Indo-European language family, originating in Ireland and historically spoken by the Irish people. Irish is now spoken as a first language by a minority of Irish people, as well as being a second language of a larger proportion of...

, Ceád Mile Fáilte is a popular greeting meaning "A Hundred Thousand Welcomes".

In piphilology

Piphilology

Piphilology comprises the creation and use of mnemonic techniques to remember a span of digits of the mathematical constant . The word is a play on Pi itself and the linguistic field of philology....

, one hundred thousand is the current world record

World record

A world record is usually the best global performance ever recorded and verified in a specific skill or sport. The book Guinness World Records collates and publishes notable records of all types, from first and best to worst human achievements, to extremes in the natural world and beyond...

 for the number of digits

Numerical digit

A digit is a symbol used in combinations to represent numbers in positional numeral systems. The name "digit" comes from the fact that the 10 digits of the hands correspond to the 10 symbols of the common base 10 number system, i.e...

 of pi

Pi

' is a mathematical constant that is the ratio of any circle's circumference to its diameter. is approximately equal to 3.14. Many formulae in mathematics, science, and engineering involve , which makes it one of the most important mathematical constants...

 memorized by a human being.

Selected 6-digit numbers (100001–999999)

• 100255 – Friedman number
  Friedman number
  A Friedman number is an integer which, in a given base, is the result of an expression using all its own digits in combination with any of the four basic arithmetic operators and sometimes exponentiation. For example, 347 is a Friedman number since 347 = 73 + 4...
  
  
• 101101 - smallest palindromic
  Palindromic number
  A palindromic number or numeral palindrome is a 'symmetrical' number like 16461, that remains the same when its digits are reversed. The term palindromic is derived from palindrome, which refers to a word like rotor that remains unchanged under reversal of its letters...
  
   Carmichael number
• 101723 - smallest prime number
  Prime number
  A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a prime number is called a composite number. For example 5 is prime, as only 1 and 5 divide it, whereas 6 is composite, since it has the divisors 2...
  
   whose square is a pandigital number
  Pandigital number
  In mathematics, a pandigital number is an integer that in a given base has among its significant digits each digit used in the base at least once. For example, 1223334444555567890 is a pandigital number in base 10...
  
   containing each digit from 0 to 9
• 102564 – The smallest parasitic number
  Parasitic number
  An n-parasitic number is a positive natural number which can be multiplied by n by moving the rightmost digit of its decimal representation to the front. Here n is itself a single-digit positive natural number. In other words, the decimal representation undergoes a right circular shift by one...
  
  
• 103680 – highly totient number
  Highly totient number
  A highly totient number k is an integer that has more solutions to the equation φ = k, where φ is Euler's totient function, than any integer below it. The first few highly totient numbers are...
  
  
• 103769 - the number of combinatorial types of 5-dimensional parallelohedra
  Zonohedron
  A zonohedron is a convex polyhedron where every face is a polygon with point symmetry or, equivalently, symmetry under rotations through 180°. Any zonohedron may equivalently be described as the Minkowski sum of a set of line segments in three-dimensional space, or as the three-dimensional...
  
  
• 103823 – nice Friedman number
• 104729 - the 10,000^th prime number
• 104869 - the smallest prime number
  Prime number
  A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a prime number is called a composite number. For example 5 is prime, as only 1 and 5 divide it, whereas 6 is composite, since it has the divisors 2...
  
   containing every non-prime digit.
• 105664 – harmonic divisor number
  Harmonic divisor number
  In mathematics, a harmonic divisor number, or Ore number , is a positive integer whose divisors have a harmonic mean that is an integer. The first few harmonic divisor numbers are...
  
  
• 111111 – repunit
  Repunit
  In recreational mathematics, a repunit is a number like 11, 111, or 1111 that contains only the digit 1. The term stands for repeated unit and was coined in 1966 by Albert H. Beiler...
  
  
• 111777 – smallest natural number requiring 17 syllables in American English, 19 in British English
• 113634 – Motzkin number
  Motzkin number
  In mathematics, a Motzkin number for a given number n is the number of different ways of drawing non-intersecting chords on a circle between n points. The Motzkin numbers have very diverse applications in geometry, combinatorics and number theory...
  
   for n = 14
• 114689 – prime factor
  Prime factor
  In number theory, the prime factors of a positive integer are the prime numbers that divide that integer exactly, without leaving a remainder. The process of finding these numbers is called integer factorization, or prime factorization. A prime factor can be visualized by understanding Euclid's...
  
   of F₁₂
• 115975 – Bell number
  Bell number
  In combinatorics, the nth Bell number, named after Eric Temple Bell, is the number of partitions of a set with n members, or equivalently, the number of equivalence relations on it...
  
  
• 117067 – first prime vampire number
  Vampire number
  In mathematics, a vampire number is a composite natural number v, with an even number of digits n, that can be factored into two integers x and y each with n/2 digits and not both with trailing zeroes, where v contains precisely all the digits from x and from y, in any order, counting multiplicity...
  
  
• 117649 = 7⁶
• 117800 – harmonic divisor number
• 120284 – Keith number
• 120960 – highly totient number
• 121393 – Fibonacci number
  Fibonacci number
  In mathematics, the Fibonacci numbers are the numbers in the following integer sequence:0,\;1,\;1,\;2,\;3,\;5,\;8,\;13,\;21,\;34,\;55,\;89,\;144,\; \ldots\; ....
  
  
• 124000 – number with religious significance
• 127777 – smallest natural number requiring 18 syllables in American English, 20 in British English
• 127912 – Wedderburn-Etherington number
  Wedderburn-Etherington number
  In graph theory, the Wedderburn–Etherington numbers, named for Ivor Malcolm Haddon Etherington and Joseph Wedderburn, count how many weak binary trees can be constructed: that is, the number of trees for which each graph vertex is adjacent to no more than three other such vertices, for a...
  
  
• 128981 – Starts the first prime gap sequence of 2, 4, 6, 8, 10, 12, 14
• 129106 – Keith number
• 131071 – Mersenne prime
  Mersenne prime
  In mathematics, a Mersenne number, named after Marin Mersenne , is a positive integer that is one less than a power of two: M_p=2^p-1.\,...
  
  
• 131072 = 2¹⁷
• 131361 – Leyland number
  Leyland number
  In number theory, a Leyland number is a number of the form xy + yx, where x and y are integers greater than 1. The first few Leyland numbers are...
  
  
• 134340 – Pluto
  Pluto
  Pluto, formal designation 134340 Pluto, is the second-most-massive known dwarf planet in the Solar System and the tenth-most-massive body observed directly orbiting the Sun...
  
  's minor planet designation
• 135137 – Markov number
  Markov number
  A Markov number or Markoff number is a positive integer x, y or z that is part of a solution to the Markov Diophantine equationx^2 + y^2 + z^2 = 3xyz,\,studied by .The first few Markov numbers are...
  
  
• 142857
  142857 (number)
  142857 is the six repeating digits of 1/7, 0., and is the best-known cyclic number in base 10. If it is multiplied by 2, 3, 4, 5, or 6, the answer will be a cyclic permutation of itself, and will correspond to the repeating digits of 2/7, 3/7, 4/7, 5/7, or 6/7, respectively.- Calculations :- 22/7...
  
  – Kaprekar number
  Kaprekar number
  In mathematics, a Kaprekar number for a given base is a non-negative integer, the representation of whose square in that base can be split into two parts that add up to the original number again. For instance, 45 is a Kaprekar number, because 45² = 2025 and 20+25 = 45. The Kaprekar numbers are...
  
  , Harshad number
  Harshad number
  A Harshad number, or Niven number in a given number base, is an integer that is divisible by the sum of its digits when written in that base. Harshad numbers were defined by D. R. Kaprekar, a mathematician from India. The word "Harshad" comes from the Sanskrit + , meaning joy-giver. The Niven...
  
   smallest cyclic number
  Cyclic number
  A cyclic number is an integer in which cyclic permutations of the digits are successive multiples of the number. The most widely known is 142857:For example:Multiples of these fractions exhibit cyclic permutation:...
  
   in decimal
  Decimal
  The decimal numeral system has ten as its base. It is the numerical base most widely used by modern civilizations....
  
  .
• 144000
  144000 (number)
  144000 is a natural number. It has significance in several religious movements. In the Mayan calendar, a baktun is a period of 144,000 days.-Christianity:...
  
  – number with religious significance
• 147640 – Keith number
• 148149 – Kaprekar number
• 156146 – Keith number
• 161051 = 11⁵
• 161280 – highly totient number
• 167400 – harmonic divisor number
• 173600 – harmonic divisor number
• 174680 – Keith number
• 174763 – Wagstaff prime
• 177147 = 3¹¹
• 177777 – smallest natural number requiring 19 syllables in American English, 21 in British English
• 178478 – Leyland number
• 181440 – highly totient number
• 181819 – Kaprekar number
• 183186 – Keith number
• 187110 – Kaprekar number
• 195025 – Pell number
  Pell number
  In mathematics, the Pell numbers are an infinite sequence of integers that have been known since ancient times, the denominators of the closest rational approximations to the square root of 2. This sequence of approximations begins 1/1, 3/2, 7/5, 17/12, and 41/29, so the sequence of Pell numbers...
  
  , Markov number
• 196418 – Fibonacci number, Markov number
• 196883 – the dimension of the smallest nontrivial irreducible representation
  Group representation
  In the mathematical field of representation theory, group representations describe abstract groups in terms of linear transformations of vector spaces; in particular, they can be used to represent group elements as matrices so that the group operation can be represented by matrix multiplication...
  
   of the Monster group
  Monster group
  In the mathematical field of group theory, the Monster group M or F1 is a group of finite order:...
  
  
• 196884 – the coefficient of q in the Fourier series
  Fourier series
  In mathematics, a Fourier series decomposes periodic functions or periodic signals into the sum of a set of simple oscillating functions, namely sines and cosines...
  
   expansion of the j-invariant
  J-invariant
  In mathematics, Klein's j-invariant, regarded as a function of a complex variable τ, is a modular function defined on the upper half-plane of complex numbers.We haveThe modular discriminant \Delta is defined as \Delta=g_2^3-27g_3^2...
  
  . The adjacency of 196883 and 196884 was important in suggesting monstrous moonshine
  Monstrous moonshine
  In mathematics, monstrous moonshine, or moonshine theory, is a term devised by John Horton Conway and Simon P. Norton in 1979, used to describe the connection between the monster group M and modular functions .- History :Specifically, Conway and Norton, following an initial observationby John...
  
  .
• 207360 – highly totient number
• 208012 – Catalan number
  Catalan number
  In combinatorial mathematics, the Catalan numbers form a sequence of natural numbers that occur in various counting problems, often involvingrecursively defined objects...
  
  
• 208335 – the largest number to be both triangular
  Triangular number
  A triangular number or triangle number numbers the objects that can form an equilateral triangle, as in the diagram on the right. The nth triangle number is the number of dots in a triangle with n dots on a side; it is the sum of the n natural numbers from 1 to n...
  
   and square pyramidal
  Square pyramidal number
  In mathematics, a pyramid number, or square pyramidal number, is a figurate number that represents the number of stacked spheres in a pyramid with a square base...
  
  
• 208495 – Kaprekar number
• 222222 – repdigit
  Repdigit
  In recreational mathematics, a repdigit is a natural number composed of repeated instances of the same digit, most often in the decimal numeral system....
  
  
• 237510 – harmonic divisor number
• 241920 – highly totient number
• 242060 – harmonic divisor number
• 248832 – the smallest fifth power that can be represented as the sum of only 6 fifth powers.
• 261119 – Carol number
• 262144 = 2¹⁸; exponential factorial
  Exponential factorial
  An exponential factorial is a positive integer n raised to the power of n − 1, which in turn is raised to the power of n − 2, and so on and so forth, that is,...
  
   of 4; a superperfect number
  Superperfect number
  In mathematics a superperfect number is a positive integer n that satisfies\sigma^2=\sigma=2n\, ,where σ is the divisor function...
  
  
• 262468 – Leyland number
• 263167 – Kynea number
• 268705 – Leyland number
• 274177 – prime factor of F₆
• 279936 = 6⁷
• 280859 – a six-digit
  Numerical digit
  A digit is a symbol used in combinations to represent numbers in positional numeral systems. The name "digit" comes from the fact that the 10 digits of the hands correspond to the 10 symbols of the common base 10 number system, i.e...
  
   prime number
  Prime number
  A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a prime number is called a composite number. For example 5 is prime, as only 1 and 5 divide it, whereas 6 is composite, since it has the divisors 2...
  
   whose square (algebra) is tridigital.
• 293547 – Wedderburn-Etherington number
• 294685 – Markov number
• 298320 – Keith number
• 310572 – Motzkin number
• 317811 – Fibonacci number
• 318682 – Kaprekar number
• 326981 – alternating factorial
  Alternating factorial
  In mathematics, an alternating factorial is the absolute value of the alternating sum of the first n factorials.This is the same as their sum, with the odd-indexed factorials multiplied by −1 if n is even, and the even-indexed factorials multiplied by −1 if n is odd, resulting in an...
  
  
• 329967 – Kaprekar number
• 332640 – harmonic divisor number
• 333333 – repdigit
• 333667 – sexy prime
  Sexy prime
  In mathematics, a sexy prime is a prime number that differs from another prime number by six. For example, the numbers 5 and 11 are both sexy primes, because they differ by 6...
  
   and unique prime
  Unique prime
  In number theory, a unique prime is a certain kind of prime number. A prime p ≠ 2, 5 is called unique if there is no other prime q such that the period length of the decimal expansion of its reciprocal, 1 / p, is equivalent to the period length of the reciprocal of q, 1 / q...
  
  
• 333673 – sexy prime
• 333679 – sexy prime
• 351352 – Kaprekar number
• 355419 – Keith number
• 356643 – Kaprekar number
• 360360 – harmonic divisor number; the smallest number divisible by all of the numbers 1 through 15 (there is no smaller number divisble by 13)
• 362880 = 9!, highly totient number
• 370261 – first prime followed by a prime gap of over 100
• 371293 = 13⁵
• 389305 – self-descriptive number
  Self-descriptive number
  A self-descriptive number is an integer m that in a given base b is b-digits long in which each digit d at position n counts how many instances of digit n are in m.For example, in base 10, the number 6210001000 is self-descriptive because of the following...
  
   in base 7
• 390313 – Kaprekar number
• 390625 = 5⁸
• 397585 – Leyland number
• 409113 – sum of the first nine factorial
  Factorial
  In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n...
  
  s
• 422481 – smallest number whose fourth power is the sum of three smaller fourth powers
• 423393 – Leyland number
• 444444 – repdigit
• 461539 – Kaprekar number
• 426389 – Markov number
• 466830 – Kaprekar number
• 470832 – Pell number
• 483840 – highly totient number
• 499393 – Markov number
• 499500 – Kaprekar number
• 500500 – Kaprekar number, sum of first 1000 integers
• 509203 – Riesel number
  Riesel number
  In mathematics, a Riesel number is an odd natural number k for which the integers of the form k·2n − 1 are composite for all natural numbers n....
  
  
• 510510 – the product of the first seven prime numbers, thus the seventh primorial
  Primorial
  In mathematics, and more particularly in number theory, primorial is a function from natural numbers to natural numbers similar to the factorial function, but rather than multiplying successive positive integers, only successive prime numbers are multiplied...
  
  
• 514229 – Fibonacci prime
  Fibonacci prime
  A Fibonacci prime is a Fibonacci number that is prime, a type of integer sequence prime.The first Fibonacci primes are :-Known Fibonacci primes:It is not known if there are infinitely many Fibonacci primes...
  
  , Markov number
• 524287 – Mersenne prime
• 524288 = 2¹⁹, power of two
• 524649 – Leyland number
• 531441 = 3¹²
• 533169 – Leyland number
• 533170 – Kaprekar number
• 539400 – harmonic divisor number
• 548834 – equal to the sum of the sixth powers of its digits
• 555555 – repdigit
• 646018 – Markov number
• 666666 – repdigit
• 676157 – Wedderburn-Etherington number
• 678570 – Bell number
• 694280 – Keith number
• 695520 – harmonic divisor number
• 720720 – colossally abundant number
  Colossally abundant number
  In mathematics, a colossally abundant number is a natural number that, in some rigorous sense, has a lot of divisors...
  
  ; the smallest number divisible by all the numbers 1 through 16
• 725760 – highly totient number
• 726180 – harmonic divisor number
• 742900 – Catalan number
• 753480 – harmonic divisor number
• 777777 – repdigit, smallest natural number requiring 20 syllables in American English, 22 in British English
• 823543 = 7⁷
• 832040 – Fibonacci number
• 853467 – Motzkin number
• 888888 – repdigit
• 925765 – Markov number
• 925993 – Keith number
• 950976 – harmonic divisor number
• 967680 – highly totient number
• 999999 – The divisibility of this number by 7 and by 13 accounts for the fact that rational number
  Rational number
  In mathematics, a rational number is any number that can be expressed as the quotient or fraction a/b of two integers, with the denominator b not equal to zero. Since b may be equal to 1, every integer is a rational number...
  
  s with those denominators have 6-digit repetends when expressed in decimal
  Decimal
  The decimal numeral system has ten as its base. It is the numerical base most widely used by modern civilizations....
  
   form. Repdigit
  Repdigit
  In recreational mathematics, a repdigit is a natural number composed of repeated instances of the same digit, most often in the decimal numeral system....
  
  . See also Feynman point
  Feynman point
  The Feynman point is a sequence of six 9s that begins at the 762nd decimal place of the decimal representation of . It is named after physicist Richard Feynman, who once stated during a lecture he would like to memorize the digits of until that point, so he could recite them and quip "nine nine...
  
  .