63 (sixty-three) is the
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 ...
following
62 and preceding
64.
In mathematics
63 is:
* a
deficient composite
Composite or compositing may refer to:
Materials
* Composite material, a material that is made from several different substances
** Metal matrix composite, composed of metal and other parts
** Cermet, a composite of ceramic and metallic materials ...
number
* a
highly cototient number In number theory, a branch of mathematics, a highly cototient number is a positive integer k which is above 1 and has more solutions to the equation
:x - \phi(x) = k
than any other integer below k and above 1. Here, \phi is Euler's totient f ...
.
* a number of the form 2
''n'' − 1 (with ''n'' = 6), but it is not a
Mersenne prime
In mathematics, a Mersenne prime is a prime number that is one less than a power of two. That is, it is a prime number of the form for some integer . They are named after Marin Mersenne, a French Minim friar, who studied them in the early 17 ...
since n is not
prime
A prime number (or a prime) is a natural number greater than 1 that is not a 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 because the only ways ...
and 63 is certainly not prime either. It is the only number in the Mersenne sequence whose
prime factor
A prime number (or a prime) is a natural number greater than 1 that is not a 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 because the only ways ...
s are each factors of at least one previous element of the sequence.
* a
Woodall number i.e. of the form 2
''n''''n'' − 1 with ''n'' = 4.
* the third
Delannoy number
In mathematics, a Delannoy number D describes the number of paths from the southwest corner (0, 0) of a rectangular grid to the northeast corner (''m'', ''n''), using only single steps north, northeast, or east. The Delannoy numbers are named aft ...
.
* the sum of the powers of 2 from 0 to 5.
* palindromic and a
repdigit in bases 2 (111111
2), 4 (333
4), 8 (77
8), 20 (33
20) and 62 (11
62).
* a
centered octahedral number.
* there are 63 posets with 5 unlabeled elements.
* a Harshad number.
In science
* The
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
europium
Europium is a chemical element with the symbol Eu and atomic number 63. Europium is the most reactive lanthanide by far, having to be stored under an inert fluid to protect it from atmospheric oxygen or moisture. Europium is also the softest lan ...
.
Astronomy
*
Messier object M63, a
magnitude 8.5
galaxy
A galaxy is a system of stars, stellar remnants, interstellar gas, dust, dark matter, bound together by gravity. The word is derived from the Greek ' (), literally 'milky', a reference to the Milky Way galaxy that contains the Solar System ...
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 ...
Canes Venatici, also known as the
Sunflower Galaxy.
* The
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 ...
br>
objectNGC 63
NGC 63 is a spiral galaxy in the constellation Pisces. NGC 63 is its New General Catalogue designation. It has an apparent V-band magnitude of 12.70.
Discovery
The galaxy was discovered by Heinrich Louis d'Arrest
Heinrich Louis d'Arrest (13 ...
, a
spiral galaxy
Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work ''The Realm of the Nebulae''[Pisces
Pisces may refer to:
* Pisces, an obsolete (because of land vertebrates) taxonomic superclass including all fish
*Pisces (astrology), an astrological sign
*Pisces (constellation), a constellation
** Pisces Overdensity, an overdensity of stars in t ...]
In other fields
Sixty-three is also:
* The
code for international direct dial
Country calling codes or country dial-in codes are telephone number prefixes for reaching telephone subscribers in the networks of the member countries or regions of the International Telecommunication Union (ITU). The codes are defined by the ...
calls to the
Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, Republika kan Filipinas
* ceb, Republika sa Pilipinas
* cbk, República de Filipinas
* hil, Republ ...
* The
hull number
Hull number is a serial identification number given to a boat or ship. For the military, a lower number implies an older vessel. For civilian use, the HIN is used to trace the boat's history. The precise usage varies by country and type.
United ...
of the U.S. Navy's aircraft carrier
USS ''Kitty Hawk'' (CV-63) and the
USS ''Missouri'' (BB-63)
* The number of the
French department Puy-de-Dôme
Puy-de-Dôme (; oc, label= Auvergnat, lo Puèi de Doma or ''lo Puèi Domat'') is a department in the Auvergne-Rhône-Alpes region in the centre of France. In 2019, it had a population of 662,152.[groats
Groats (or in some cases, "berries") are the hulled kernels of various cereal grains, such as oat, wheat, rye, and barley. Groats are whole grains that include the cereal germ and fiber-rich bran portion of the grain, as well as the endosp ...]
in a
guinea
Guinea ( ),, fuf, 𞤘𞤭𞤲𞤫, italic=no, Gine, wo, Gine, nqo, ߖߌ߬ߣߍ߫, bm, Gine officially the Republic of Guinea (french: République de Guinée), is a coastal country in West Africa. It borders the Atlantic Ocean to the we ...
in
British pre-decimal currency
*
A card game, popular in
Carleton County,
New Brunswick
New Brunswick (french: Nouveau-Brunswick, , locally ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. It is the only province with both English and ...
* The
Stoner 63, a
machine gun
A machine gun is a fully automatic, rifled autoloading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as automatic shotguns and automatic rifles (including assault rifles and battle rifles ...
* The number of
chromosomes
A chromosome is a long DNA molecule with part or all of the genetic material of an organism. In most chromosomes the very long thin DNA fibers are coated with packaging proteins; in eukaryotic cells the most important of these proteins ar ...
found in the offspring of a
donkey
The domestic donkey is a hoofed mammal in the family Equidae, the same family as the horse. It derives from the African wild ass, ''Equus africanus'', and may be classified either as a subspecies thereof, ''Equus africanus asinus'', or as ...
and a
horse
The horse (''Equus ferus caballus'') is a domesticated, one-toed, hoofed mammal. It belongs to the taxonomic family Equidae and is one of two extant subspecies of ''Equus ferus''. The horse has evolved over the past 45 to 55 million yea ...
* ''Class of '63'' was a TV movie starring
James Brolin
James Brolin (, born Craig Kenneth Bruderlin; July 18, 1940) is an American actor. Brolin has won two Golden Globes and an Emmy. He received a star on the Hollywood Walk of Fame on August 27, 1998. He is the father of actor Josh Brolin.
He ...
(1973)
In sports
*
Tom Dempsey of
New Orleans Saints
The New Orleans Saints are a professional American football team based in New Orleans. The Saints compete in the National Football League (NFL) as a member of the league's National Football Conference (NFC) South division. Since 1975, the te ...
, Nov. 8, 1970,
Jason Elam of the
Denver Broncos
The Denver Broncos are a professional American football franchise based in Denver. The Broncos compete in the National Football League (NFL) as a member club of the league's American Football Conference (AFC) West division. The team is headquar ...
, Oct. 25, 1988,
Sebastian Janikowski
Sebastian Paweł Janikowski (; born March 2, 1978) is a Polish former American football placekicker who played in the National Football League (NFL) for 18 seasons, primarily with the Oakland Raiders. He played college football at Florida State ...
of the
Oakland Raiders
The Oakland Raiders were a professional American football team that played in Oakland from its founding in 1960 to 1981 and again from 1995 to 2019 before relocating to the Las Vegas metropolitan area where they now play as the Las Vegas Ra ...
, Sep. 12, 2011 and
David Akers
David Roy Akers (; born December 9, 1974) is an American former football placekicker who played in the National Football League (NFL) for 16 seasons, primarily with the Philadelphia Eagles. He began his career in 1998 with the Washington Redski ...
of the
San Francisco 49ers
The San Francisco 49ers (also written as the San Francisco Forty-Niners) are a professional American football team based in the San Francisco Bay Area. The 49ers compete in the National Football League (NFL) as a member of the league's Nationa ...
, Sept. 9, 2012 had NFL record 63-yard field goals
*
Michael Jordan
Michael Jeffrey Jordan (born February 17, 1963), also known by his initials MJ, is an American businessman and former professional basketball player. His biography on the official NBA website states: "By acclamation, Michael Jordan is the g ...
scored a record 63 points in a
Chicago Bulls
The Chicago Bulls are an American professional basketball team based in Chicago. The Bulls compete in the National Basketball Association (NBA) as a member of the league's Eastern Conference Central Division. The team was founded on January ...
–
Boston Celtics
The Boston Celtics ( ) are an American professional basketball team based in Boston. The Celtics compete in the National Basketball Association (NBA) as a member of the league's Eastern Conference Atlantic Division. Founded in 1946 as one of t ...
(double-overtime) NBA playoff game on April 20, 1987
* In
U.S. college athletics, schools that are members of
NCAA Division I
NCAA Division I (D-I) is the highest level of intercollegiate athletics sanctioned by the National Collegiate Athletic Association (NCAA) in the United States, which accepts players globally. D-I schools include the major collegiate athleti ...
FCS are allowed to provide their
football
Football is a family of team sports that involve, to varying degrees, kicking a ball to score a goal. Unqualified, the word ''football'' normally means the form of football that is the most popular where the word is used. Sports commonly ...
players with athletically-related financial aid equivalent to a total of 63 full
athletic scholarship
An athletic scholarship is a form of scholarship to attend a college or university or a private high school awarded to an individual based predominantly on his or her ability to play in a sport. Athletic scholarships are common in the United ...
s in a given season.
* Cricketer
Phillip Hughes died during a match whilst on a personal score of 63 runs.
In Religion
* There are 63 Tractates in the
Mishna, the compilation of Jewish Law.
* There are 63 Saints (popularly known as
Nayanmars
The Nayanars (or Nayanmars; ta, நாயன்மார், translit=Nāyaṉmār, translit-std=ISO, lit=hounds of Siva, and later 'teachers of Shiva ) were a group of 63 Tamil Hindu saints living during the 6th to 8th centuries CE who were de ...
) in South Indian
Shaivism
Shaivism (; sa, शैवसम्प्रदायः, Śaivasampradāyaḥ) is one of the major Hindu traditions, which worships Shiva as the Supreme Being. One of the largest Hindu denominations, it incorporates many sub-traditions rangi ...
, particularly in
Tamil Nadu
Tamil Nadu (; , TN) is a state in southern India. It is the tenth largest Indian state by area and the sixth largest by population. Its capital and largest city is Chennai. Tamil Nadu is the home of the Tamil people, whose Tamil language ...
,
India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
.
* There are 63 Salakapurusas (great beings) in Jain cosmology.
* Muhammad died at the age of 63
References
{{Integers, zero
Integers