129 (number)
Encyclopedia
129 is the natural number
following 128
and preceding 130
.
, 
, 
, and 
.
129 is the product of only two primes, 3 and 43, making 129 a semiprime
. Since 3 and 43 are both Gaussian primes, this means that 129 is a Blum integer
.
129 is a repdigit
in base 6 (333).
129 is a happy 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 128
128 (number)
128 is the natural number following 127 and preceding 129.-In mathematics:One hundred [and] twenty-eight is the seventh power of 2. It is the largest number which cannot be expressed as the sum of any number of distinct squares...
and preceding 130
130 (number)
130 is the natural number following 129 and preceding 131.-In mathematics:130 is a sphenic number. It is a noncototient since there is no answer to the equation x - φ = 130....
.
In mathematics
129 is the sum of the first ten prime numbers. It is the smallest number that can be expressed as a sum of three squares in four different ways:, , , and .129 is the product of only two primes, 3 and 43, making 129 a semiprime
Semiprime
In mathematics, a semiprime is a natural number that is the product of two prime numbers. The first few semiprimes are 4, 6, 9, 10, 14, 15, 21, 22, 25, 26, ... ....
. Since 3 and 43 are both Gaussian primes, this means that 129 is a Blum integer
Blum integer
In mathematics, a natural number n is a Blum integer if n = p×q is a semiprime for which p and q are distinct prime numbers congruent to 3 mod 4. That is, p and q must be of the form 4t+3, for some integer t. Primes of this form are referred to as Blum primes. This means that the factors of a Blum...
.
129 is a 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....
in base 6 (333).
129 is a happy number
Happy number
A happy number is defined by the following process. Starting with any positive integer, replace the number by the sum of the squares of its digits, and repeat the process until the number equals 1 , or it loops endlessly in a cycle which does not include 1...
.
In the military
- Raytheon AGM-129 ACMAGM-129 ACM* Missile of the same class** Ra'ad ** TAURUS KEPD 350 ** Storm Shadow -Notes:# Alleged violations of the Antideficiency Act in the Air Force’s procurement of advanced cruise missiles.FILE B-255831, Office of the General Counsel, United States General Accounting Office.# Union Calls for Strike by...
(Advanced Cruise Missile) is a low observable, sub-sonic, jet-powered, air-launched cruise missile used by the United States Air Force was a United States Navy Mission Buenaventura-class fleet oilers during World War II was a Crosley class high speed transport of the United States Navy was the lead ship of her class of destroyer escort in the United States Navy was a United States Navy Haskell-class attack transport during World War II was a United States Navy Crater-class cargo ship during World War II was a United States Navy Auk class minesweeper for removing mines from minefields laid in the water
In transportation
- U.S. Route 129U.S. Route 129U.S. Route 129 is an offshoot route of U.S. Route 29, which it intersects near Athens, Georgia. US 129 currently runs for 582 miles from Knoxville, Tennessee, to Chiefland, Florida, at U.S. Route 19 and U.S. Route 98. It passes through the states of Tennessee, North Carolina, Georgia and Florida...
runs from Knoxville, Tennessee to Chiefland, Florida - M-129 is a Michigan highway
- Highway 129 is a provincial highway in Ontario, Canada
- LZ 129 HindenburgLZ 129 HindenburgLZ 129 Hindenburg was a large German commercial passenger-carrying rigid airship, the lead ship of the Hindenburg class, the longest class of flying machine and the largest airship by envelope volume...
was a German zeppelin which went up in flames while landing on May 6, 1937 - London Buses route 129 is a Transport for London contracted bus route in London
- STS-129STS-129-Crew seat assignments:-Mission payload:-ExPRESS Logistics Carriers 1 and 2:The primary payload of STS-129 was the ExPRESS Logistics Carrier and the ELC-2. The mass capacity of each ELC is with a volume of 30 meters cubed...
was a Space Shuttle mission to the International Space Station, flown in November 2009 by the shuttle Atlantis. - 129 is a popular route connecting city center with Cracow University of TechnologyCracow University of TechnologyTadeusz Kościuszko University of Technology is a university located in downtown Kraków, Poland, established in 1946 and, as an institution of higher learning granted full autonomy in 1954....
CampusCampusA campus is traditionally the land on which a college or university and related institutional buildings are situated. Usually a campus includes libraries, lecture halls, residence halls and park-like settings...
In other fields
129 is also:- The year AD129129Year 129 was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Celsus and Marcellus...
or 129 BC129 BCYear 129 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Tuditanus and Aquillius... - 129 AH is a year in the Islamic calendar that corresponds to 746746Year 746 was a common year starting on Saturday of the Julian calendar. The denomination 746 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Byzantine Empire :* Byzantine forces regain Cyprus...
–747747Year 747 was a common year starting on Sunday of the Julian calendar. The denomination 747 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Asia :* Abu Muslim unites the Abbasid Empire against...
CE - 129 Antigone129 Antigone129 Antigone is a large main-belt asteroid. Radar observations indicate that it is composed of almost pure nickel-iron. It and other similar asteroids probably originate from the core of a shattered Vesta-like planetesimal which had a differentiated interior. It was discovered by C. H. F...
is a main belt asteroid - The atomic number of Unbiennium, an element yet to be discovered
- A film format: 129 film
- LiberiaLiberiaLiberia , officially the Republic of Liberia, is a country in West Africa. It is bordered by Sierra Leone on the west, Guinea on the north and Côte d'Ivoire on the east. Liberia's coastline is composed of mostly mangrove forests while the more sparsely populated inland consists of forests that open...
ranks #129 in world population - Dent v. West VirginiaDent v. West VirginiaDent v. West Virginia, , was an important United States Supreme Court case involving the reputable practice of physicians and state laws in the late nineteenth century.-The Case:...
, , was an important United States Supreme CourtSupreme Court of the United StatesThe Supreme Court of the United States is the highest court in the United States. It has ultimate appellate jurisdiction over all state and federal courts, and original jurisdiction over a small range of cases...
case involving the reputable practice of physicians and state laws - Sonnet 129Sonnet 129-Analysis:This Sonnet convinces the reader into disliking the pursuit of sex. The first twelve lines of the poem all add to the first: “The expense of spirit in a waste of shame”. The second verse places a frame around the first “Is lust in action; and till action, lust”...
by William Shakespeare - The TV series BeckerBecker (TV series)Becker is an American television sitcom that ran from 1998 to 2004 on CBS. Set in the New York City borough of The Bronx, the show starred Ted Danson as John Becker, a misanthropic doctor who operates a small practice and is constantly annoyed by his patients, co-workers, friends, and practically...
ran on CBS from 1998 to 2004 for 129 episodes - Channel 129 on Sirius Satellite Radio is CNBCCNBCCNBC is a satellite and cable television business news channel in the U.S., owned and operated by NBCUniversal. The network and its international spinoffs cover business headlines and provide live coverage of financial markets. The combined reach of CNBC and its siblings is 390 million viewers...
- Channel 129 on XM Radio is Bloomberg Radio
- Baseball's Sammy SosaSammy SosaSamuel Peralta "Sammy" Sosa is a Dominican former professional baseball right fielder. Sosa played with four Major League Baseball teams over his career which spanned from 1989-2007....
followed up his 66 home run total in 1999 with 63 in 2000, for a combined 2-year total of 129 home runs - The 129th Kentucky DerbyKentucky DerbyThe Kentucky Derby is a Grade I stakes race for three-year-old Thoroughbred horses, held annually in Louisville, Kentucky, United States on the first Saturday in May, capping the two-week-long Kentucky Derby Festival. The race is one and a quarter mile at Churchill Downs. Colts and geldings carry...
was won by Funny CideFunny CideFunny Cide is a Thoroughbred race horse who won the Kentucky Derby and the Preakness Stakes in 2003. He is the first New York-bred horse to win the Kentucky Derby and the first gelding to win since Clyde Van Dusen in 1929.-Bloodlines:...
on May 3, 2003 - The 129th Westminster Kennel Club Dog ShowWestminster Kennel Club Dog ShowThe Westminster Kennel Club Dog Show is a two-day, all-breed benched conformation show that takes place at Madison Square Garden in New York City every year. The first Westminster show was held in 1877....
was won by Ch. Kan-Point's VJK Autumn Roses, a German Shorthaired Pointer on February 16, 2005
See also
- List of highways numbered 129
- United Nations Security Council Resolution 129United Nations Security Council Resolution 129United Nations Security Council resolution 129, adopted unanimously on August 7, 1958, called an emergency special session of the General Assembly...