natural number
In mathematics, the natural numbers are those numbers used for counting (as in "there are ''six'' coins on the table") and ordering (as in "this is the ''third'' largest city in the country").
Numbers used for counting are called '' cardinal ...
prime number
A prime number (or a prime) is a natural number greater than 1 that is not a Product (mathematics), product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime ...
twin prime
A twin prime is a prime number that is either 2 less or 2 more than another prime number—for example, either member of the twin prime pair (41, 43). In other words, a twin prime is a prime that has a prime gap of two. Sometimes the term ''twin p ...
pair with
thirty-one
31 (thirty-one) is the natural number following 30 and preceding 32. It is a prime number.
In mathematics
31 is the 11th prime number. It is a superprime and a self prime (after 3, 5, and 7), as no integer added up to its base 10 digits ...
Eisenstein prime
In mathematics, an Eisenstein prime is an Eisenstein integer
: z = a + b\,\omega, \quad \text \quad \omega = e^,
that is irreducible (or equivalently prime) in the ring-theoretic sense: its only Eisenstein divisors are the units , itself ...
with no imaginary part and real part of the form 3n − 1. 29 is also the 10th supersingular prime.
* None of the first 29 natural numbers have more than two different prime factors. This is the longest such consecutive sequence.
* 29 is a
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 equation
:x^2 + y^2 + z^2 = 3xyz,\,
studied by .
The first few Markov numbers are
: 1, 2, 5, 13, 29, 34, 89 ...
, appearing in the solutions to ''x'' + ''y'' + ''z'' = 3''xyz'': , , , , etc.
* 29 is a Perrin number, preceded in the sequence by 12, 17, 22.
* 29 is the smallest positive whole number that cannot be made from the numbers , using each exactly once and using only addition, subtraction, multiplication, and division.
* 29 is the number of pentacubes if reflections are considered distinct.
Religion
* The
Bishnois
Bishnoi (also known as Vishnoi) is a community found in the Western Thar Desert and northern states of India. They follow a set of 29 principles/commandments given by Guru Jambheshwar (also known as Guru Jambhoji, Guru Jambha Ji) (1451-1536). ...
community follows 29 principles. Guru Jambheshwar had laid down 29 principles to be followed by the sect in 1485 A.D. In Hindi, Bish means 20 and noi means 9; thus, Bishnoi translates as Twenty-niners.
* The number of
sura
A ''surah'' (; ar, سورة, sūrah, , ), is the equivalent of "chapter" in the Qur'an. There are 114 ''surahs'' in the Quran, each divided into '' ayats'' (verses). The chapters or ''surahs'' are of unequal length; the shortest surah ('' Al-K ...
s in the
Qur'an
The Quran (, ; Standard Arabic: , Quranic Arabic: , , 'the recitation'), also romanized Qur'an or Koran, is the central religious text of Islam, believed by Muslims to be a revelation from God. It is organized in 114 chapters (pl.: , si ...
atomic number
The atomic number or nuclear charge number (symbol ''Z'') of a chemical element is the charge number of an atomic nucleus. For ordinary nuclei, this is equal to the proton number (''n''p) or the number of protons found in the nucleus of ever ...
of
copper
Copper is a chemical element with the symbol Cu (from la, cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pink ...
.
*
Messier object
The Messier objects are a set of 110 astronomical objects catalogued by the French astronomer Charles Messier in his ''Catalogue des Nébuleuses et des Amas d'Étoiles'' (''Catalogue of Nebulae and Star Clusters'').
Because Messier was only in ...
open cluster
An open cluster is a type of star cluster made of up to a few thousand stars that were formed from the same giant molecular cloud and have roughly the same age. More than 1,100 open clusters have been discovered within the Milky Way galaxy, an ...
in the
constellation
A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.
The origins of the earliest constellation ...
New General Catalogue
The ''New General Catalogue of Nebulae and Clusters of Stars'' (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies, star clusters and ...
spiral galaxy
Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work ''The Realm of the Nebulae''Andromeda.
* The
lunar month
In lunar calendars, a lunar month is the time between two successive syzygies of the same type: new moons or full moons. The precise definition varies, especially for the beginning of the month.
Variations
In Shona, Middle Eastern, and Eur ...
is very close to twenty-nine days.
*
Saturn
Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant with an average radius of about nine and a half times that of Earth. It has only one-eighth the average density of Earth; h ...
requires over 29 years to orbit the Sun.
* The number of days
February
February is the second month of the year in the Julian and Gregorian calendars. The month has 28 days in common years or 29 in leap years, with the 29th day being called the ''leap day''. It is the first of five months not to have 31 days (th ...
has in
leap year
A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) added to keep the calendar year synchronized with the astronomical year or ...
alphabet
An alphabet is a standardized set of basic written graphemes (called letters) that represent the phonemes of certain spoken languages. Not all writing systems represent language in this way; in a syllabary, each character represents a syllab ...
Twentynine Palms, California
Twentynine Palms (also known as 29 Palms) is a city in San Bernardino County, California. Twentynine Palms serves as one of the entry points to Joshua Tree National Park.
History
Twentynine Palms was named for the palm trees found there in ...
* The number of the French department of
Finistère
Finistère (, ; br, Penn-ar-Bed ) is a department of France in the extreme west of Brittany. In 2019, it had a population of 915,090.
Military
*
29th Regiment of Foot
The 29th (Worcestershire) Regiment of Foot was an infantry regiment of the British Army, raised in 1694. Under the Childers Reforms it amalgamated with the 36th (Herefordshire) Regiment of Foot to become the 1st Battalion, the Worcestershire Re ...
, a former regiment in the
British Army
The British Army is the principal land warfare force of the United Kingdom, a part of the British Armed Forces along with the Royal Navy and the Royal Air Force. , the British Army comprises 79,380 regular full-time personnel, 4,090 Gurkha ...
*
Marine Corps Air Ground Combat Center Twentynine Palms
The Marine Corps Air Ground Combat Center (MCAGCC), also known as 29 Palms, is the largest United States Marine Corps base. It was a census-designated place (CDP) officially known as Twentynine Palms Base located adjacent to the city of Twentynin ...
, affectionately referred to by Marines as "Twentynine Stumps".Stephen F. Tomajczyk, ''To Be a U.S. Marine''. New York: Zenith Imprint (2004): 155. "Twenty-nine stumps—Slang for Twenty-nine Palms Marine Corps Air-Ground Combat Center, located in California's Mojave Desert."
*
Boeing B-29
The Boeing B-29 Superfortress is an American four-engined propeller-driven heavy bomber, designed by Boeing and flown primarily by the United States during World War II and the Korean War. Named in allusion to its predecessor, the B-17 ...
, a large bomber
Music and entertainment
* "$29.00" is a song on the album '' Blue Valentine'' by Tom Waits.
* '' 29'', an album by Ryan Adams.
* "No. 29", a song about a washed-up high school football star from the album '' Exit 0'' by Steve Earle.
* The track from which the ''
Chattanooga Choo Choo
"Chattanooga Choo Choo" is a 1941 song written by Mack Gordon and composed by Harry Warren. It was originally recorded as a big band/swing tune by Glenn Miller and His Orchestra and featured in the 1941 movie '' Sun Valley Serenade''. It was ...
'' train departs in the
Glenn Miller
Alton Glen Miller (March 1, 1904 – December 15, 1944) was an American big band founder, owner, conductor, composer, arranger, trombone player and recording artist before and during World War II, when he was an officer in the US Army Air Forc ...
song.
* The number of attributes existing according to The Strokes in " You Only Live Once".
* A track from
Bon Iver
Bon Iver ( ) is an American indie folk band founded in 2006 by singer-songwriter Justin Vernon.
Vernon released Bon Iver's debut album, ''For Emma, Forever Ago,'' independently in July 2007. The majority of the album was recorded while Vernon ...
's album, ''
22, A Million
''22, A Million'' is the third studio album by American indie folk band Bon Iver, released on September 30, 2016. Recorded in lead member Justin Vernon's April Base studio in Eau Claire, Wisconsin, the album marks a major shift in the band's sou ...
'', all tracks being numerically themed.
* A 2022 song by American singer-songwriter
Demi Lovato
Demetria Devonne Lovato ( ; born August 20, 1992), known as Demi Lovato, is an American singer, songwriter, and actress. After appearing on the children's television series '' Barney & Friends'' (2002–2004), Lovato rose to prominence for p ...
yacht
A yacht is a sailing or power vessel used for pleasure, cruising, or racing. There is no standard definition, though the term generally applies to vessels with a cabin intended for overnight use. To be termed a , as opposed to a , such a pleasu ...
mountain bike
A mountain bike (MTB) or mountain bicycle is a bicycle designed for off-road cycling. Mountain bikes share some similarities with other bicycles, but incorporate features designed to enhance durability and performance in rough terrain, which m ...
with 29-inch wheels.
* 29 is the highest possible score in a hand of
Cribbage
Cribbage, or crib, is a card game, traditionally for two players, that involves playing and grouping cards in combinations which gain points. It can be adapted for three or four players.
Cribbage has several distinctive features: the cribbag ...
Atlanta Braves
The Atlanta Braves are an American professional baseball team based in the Atlanta metropolitan area. The Braves compete in Major League Baseball (MLB) as a member club of the National League (NL) East division. The Braves were founded in ...
set the
National League
The National League of Professional Baseball Clubs, known simply as the National League (NL), is the older of two leagues constituting Major League Baseball (MLB) in the United States and Canada, and the world's oldest extant professional team s ...
record for most runs scored in a game as they scored 29 times against the
Miami Marlins
The Miami Marlins are an American professional baseball team based in Miami. The Marlins compete in Major League Baseball (MLB) as a member club of the National League (NL) East division. The club's home ballpark is LoanDepot Park.
The fra ...
on September 9, 2020.
History
* ''The Twenty-nine'' is often used in
New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island coun ...
for the missing miners and contractors believed to have been killed in the
Pike River Mine disaster
The Pike River Mine disaster was a coal mining accident that began on 19 November 2010 in the Pike River Mine, northeast of Greymouth, in the West Coast region of New Zealand's South Island following a methane explosion at approximately 3:44 ...
in November 2010.
See also
*
List of highways numbered 29
The following highways are numbered 29:
Canada
* Alberta Highway 29
* British Columbia Highway 29
* Manitoba Highway 29 (former)
* Ontario Highway 29
* Saskatchewan Highway 29
Czech Republic
* I/29 Highway; Czech: Silnice I/29
India
* Na ...