53 (number)
Encyclopedia
53 is the natural number
following 52
and preceding 54
.
th prime number
. It is also an Eisenstein prime
.
The sum of the first 53 primes is 5830, which is divisible by 53, a property shared by few other numbers.
53 written in hexadecimal is 35, that is, the same characters used in the decimal representation, but reversed. At least four multiples of 53 share this property: 371 = , 5141 = , 99481 =, and 8520280 = .
53 can not be expressed as the sum of any integer and its base 10 digits, making 53 a self 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 52
52 (number)
52 is the natural number following 51 and preceding 53.-In mathematics:Fifty-two is the 6th Bell number and a decagonal number...
and preceding 54
54 (number)
54 is the natural number following 53 and preceding 55.-In mathematics:54 is a 19-gonal number. Twice the third power of three, 54 is a Leyland number. 54 can be written as the sum of three squares in three different ways: 7^2 + 2^2 + 1^2 = 6^2 + 2 = 2 + 2^2 = 54. It is the smallest number with...
.
In mathematics
Fifty-three is the 1616 (number)
16 is the natural number following 15 and preceding 17. 16 is a composite number, and a square number, being 42 = 4 × 4. It is the smallest number with exactly five divisors, its proper divisors being , , and ....
th 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...
. It is also an Eisenstein prime
Eisenstein prime
In mathematics, an Eisenstein prime is an Eisenstein integerz = a + b\,\omega\qquadthat is irreducible in the ring-theoretic sense: its only Eisenstein divisors are the units , a + bω itself and its associates.The associates and the complex conjugate...
.
The sum of the first 53 primes is 5830, which is divisible by 53, a property shared by few other numbers.
53 written in hexadecimal is 35, that is, the same characters used in the decimal representation, but reversed. At least four multiples of 53 share this property: 371 = , 5141 = , 99481 =, and 8520280 = .
53 can not be expressed as the sum of any integer and its base 10 digits, making 53 a self number
Self number
A self number, Colombian number or Devlali number is an integer which, in a given base, cannot be generated by any other integer added to the sum of that other integer's digits. For example, 21 is not a self number, since it can be generated by the sum of 15 and the digits comprising 15, that is,...
.
Astronomy
- Messier objectMessier objectThe Messier objects are a set of astronomical objects first listed by French astronomer Charles Messier in 1771. The original motivation of the catalogue was that Messier was a comet hunter, and was frustrated by objects which resembled but were not comets...
M53Messier 53Messier 53 is a globular cluster in the Coma Berenices constellation. It was discovered by Johann Elert Bode in 1775. M53 is one of the more outlying globular clusters, being about 60,000 light-years away from the Galactic Center, and almost the same distance from the Solar system.-External links:*...
, a magnitude 8.5 globular clusterGlobular clusterA globular cluster is a spherical collection of stars that orbits a galactic core as a satellite. Globular clusters are very tightly bound by gravity, which gives them their spherical shapes and relatively high stellar densities toward their centers. The name of this category of star cluster is...
in the constellationConstellationIn modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
Coma BerenicesComa BerenicesComa Berenices is a traditional asterism that has since been defined as one of the 88 modern constellations. It is located near Leo, to which it formerly belonged, and accommodates the North Galactic Pole... - The New General CatalogueNew General CatalogueThe New General Catalogue of Nebulae and Clusters of Stars is a well-known catalogue of deep sky objects in astronomy. It contains 7,840 objects, known as the NGC objects...
object NGC 53, a magnitude 12.6 barred spiral galaxyBarred spiral galaxyA barred spiral galaxy is a spiral galaxy with a central bar-shaped structure composed of stars. Bars are found in approximately two-thirds of all spiral galaxies...
in the constellation TucanaTucanaTucana is a constellation in the southern sky, created in the late sixteenth century. Its name is Latin for the toucan, a South American bird.-History:... - The Saros number of the solar eclipseSolar eclipseAs seen from the Earth, a solar eclipse occurs when the Moon passes between the Sun and the Earth, and the Moon fully or partially blocks the Sun as viewed from a location on Earth. This can happen only during a new moon, when the Sun and the Moon are in conjunction as seen from Earth. At least...
series which began on August 26, 1295 BC and ended on February 21, 220. The duration of Saros series 53 was 1514.5 years, and it contained 85 solar eclipses. - The Saros number of the lunar eclipseLunar eclipseA lunar eclipse occurs when the Moon passes behind the Earth so that the Earth blocks the Sun's rays from striking the Moon. This can occur only when the Sun, Earth, and Moon are aligned exactly, or very closely so, with the Earth in the middle. Hence, a lunar eclipse can only occur the night of a...
series which began on June 5, 993 BC and ended on July 12, 287 . The duration of Saros series 53 was 1280.1 years, and it contained 72 lunar eclipses.
In other fields
Fifty-three is:- The racing number of HerbieHerbieHerbie is an anthropomorphic Volkswagen Beetle, a character that is featured in several Disney motion pictures starting with the 1968 feature film The Love Bug. He has a mind of his own and is capable of driving himself, and is a serious contender in auto racing competitions...
, a Volkswagen BeetleVolkswagen BeetleThe Volkswagen Type 1, widely known as the Volkswagen Beetle or Volkswagen Bug, is an economy car produced by the German auto maker Volkswagen from 1938 until 2003...
with a mind of his own, first appearing in the 19691969 in filmThe year 1969 in film involved some significant events.-Events:* Last year for prize giving at the Venice Film Festival until it is revived in 1980...
film The Love BugThe Love BugThe Love Bug is the first in a series of comedy films made by Walt Disney Productions that starred an anthropomorphic pearl-white, fabric-sunroofed 1963 Volkswagen racing Beetle named Herbie... - The code for international direct dial phone calls to CubaCubaThe Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...
- Municipal Okrug 53, a municipal okrug of Nevsky District of Saint PetersburgSaint PetersburgSaint Petersburg is a city and a federal subject of Russia located on the Neva River at the head of the Gulf of Finland on the Baltic Sea...
, Russia - "53 Days53 Days53 Days is an American Rock band based in Western New York.-Early years:John Moore began 53 Days in Buffalo, New York in 1996. The original line-up of 53 Days consisted mainly of Moore , Tom Robinson , Steve Ryder and Mike Sands...
" is a northeastern USA rock band - Part of the title of the 1912 movie North of Fifty Three, remade in 1917
- "53 Days" a novel by Georges PerecGeorges PerecGeorges Perec was a French novelist, filmmaker, documentalist and essayist. He is a member of the Oulipo group...
- Ringo StarrRingo StarrRichard Starkey, MBE better known by his stage name Ringo Starr, is an English musician and actor who gained worldwide fame as the drummer for The Beatles. When the band formed in 1960, Starr was a member of another Liverpool band, Rory Storm and the Hurricanes. He became The Beatles' drummer in...
’s book "Postcards From the Boys" (2003) contains 53 postcards from fellow BeatlesThe BeatlesThe Beatles were an English rock band, active throughout the 1960s and one of the most commercially successful and critically acclaimed acts in the history of popular music. Formed in Liverpool, by 1962 the group consisted of John Lennon , Paul McCartney , George Harrison and Ringo Starr... - Fictional 53rd Precinct in the BronxThe BronxThe Bronx is the northernmost of the five boroughs of New York City. It is also known as Bronx County, the last of the 62 counties of New York State to be incorporated...
was found in the TV comedy "Car 54, Where Are You?Car 54, Where Are You?Car 54, Where Are You? is an American sitcom that ran on NBC from 1961 to 1963. Episodes had various directors, the most recognized being Al De Caprio. Stanley Prager and Nat Hiken also directed several episodes. Most of its filming was on location in The Bronx, and at Biograph...
" - "53rd & 3rd" a song by the RamonesRamonesThe Ramones were an American rock band that formed in the New York City neighborhood of Forest Hills, Queens, in 1974. They are often cited as the first punk rock group...
- "53 Miles West of Venus” by The B-52'sThe B-52'sThe B-52's are an American rock band, formed in Athens, Georgia in 1976. The original line-up consisted of Fred Schneider , Kate Pierson , Cindy Wilson , Ricky Wilson , and Keith Strickland . Following Ricky Wilson's death in 1985 Strickland switched to guitar...
- EK53 is an EstoniaEstoniaEstonia , officially the Republic of Estonia , is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by Lake Peipsi and the Russian Federation . Across the Baltic Sea lies...
n graffiti crew - The number of the department in France called MayenneMayenneMayenne is a department in northwest France named after the Mayenne River.-History:Mayenne is one of the original 83 departments created during the French Revolution on March 4, 1790. The northern two thirds correspond to the western part of the former province of Maine...
- Year identifier used on motor vehicles registered in the UK between 1 September 2003 and 28 February 2004
- The number of bytes in an Asynchronous Transfer ModeAsynchronous Transfer ModeAsynchronous Transfer Mode is a standard switching technique designed to unify telecommunication and computer networks. It uses asynchronous time-division multiplexing, and it encodes data into small, fixed-sized cells. This differs from approaches such as the Internet Protocol or Ethernet that...
packet. - UDP and TCP port number for the Domain Name SystemDomain name systemThe Domain Name System is a hierarchical distributed naming system for computers, services, or any resource connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities...
protocol
Sports
- F1 Stockcars (UK): John Lund's racing number is 53
- Most points by a rookie in a NBANational Basketball AssociationThe National Basketball Association is the pre-eminent men's professional basketball league in North America. It consists of thirty franchised member clubs, of which twenty-nine are located in the United States and one in Canada...
Playoff game: 53 by Philadelphia's Wilt ChamberlainWilt ChamberlainWilton Norman "Wilt" Chamberlain was an American professional NBA basketball player for the Philadelphia/San Francisco Warriors, the Philadelphia 76ers and the Los Angeles Lakers; he also played for the Harlem Globetrotters prior to playing in the NBA...
, 1960 - Most field goals (3-games series, NBA Playoff), 53 by Michael JordanMichael JordanMichael Jeffrey Jordan is a former American professional basketball player, active entrepreneur, and majority owner of the Charlotte Bobcats...
, 1992 - Utah Jazz Mark EatonMark Eaton (basketball)Mark E. Eaton is a retired American professional basketball player who was a member of the NBA's Utah Jazz from 1982 to 1994. He was famous for his giant frame and his strong defense...
's jersey #53 is retired - 53 national football associations are members of UEFAUEFAThe Union of European Football Associations , almost always referred to by its acronym UEFA is the administrative and controlling body for European association football, futsal and beach soccer....