Twenty-one, XXI or 21 may refer to: *

21 (number) 21 (twenty-one) is the natural number following 20 and preceding 22. The current century is the 21st century AD, under the Gregorian calendar. Mathematics Twenty-one is the fifth distinct semiprime, and the second of the form 3 \times q wh ...

* One of the years 21 BC,

AD 21 AD 21 ( XXI) was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Tiberius and Drusus (or, less frequently, year 774 ''Ab urbe condita''). The denomination AD 21 for this year ...

1921 Events January * January 2 ** The Association football club Cruzeiro Esporte Clube, from Belo Horizonte, is founded as the multi-sports club Palestra Italia by Italian expatriates in First Brazilian Republic, Brazil. ** The Spanish lin ...

2021 Like the year 2020, 2021 was also heavily defined by the COVID-19 pandemic, due to the emergence of multiple Variants of SARS-CoV-2, COVID-19 variants. The major global rollout of COVID-19 vaccines, which began at the end of 2020, continued ...

Films

* ''The 21'' (film), directed by Tod Polson * ''21'' (2008 film), starring Kevin Spacey, Laurence Fishburne, Jim Sturgess, and Kate Bosworth. * ''Twenty-One'' (1991 film), starring Patsy Kensit * ''Twenty-One'' (1923 film), starring Richard Barthelmess * ''Twenty-One'' (1918 film), starring Bryant Washburn

Science

Scandium Scandium is a chemical element; it has Symbol (chemistry), symbol Sc and atomic number 21. It is a silvery-white metallic d-block, d-block element. Historically, it has been classified as a rare-earth element, together with yttrium and the lantha ...

, a

transition metal In chemistry, a transition metal (or transition element) is a chemical element in the d-block of the periodic table (groups 3 to 12), though the elements of group 12 (and less often group 3) are sometimes excluded. The lanthanide and actinid ...

in the

periodic table The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows (" periods") and columns (" groups"). It is an icon of chemistry and is widely used in physics and other s ...

21 Lutetia 21 Lutetia is a large M-type asteroid in the main asteroid belt. It measures about 100 kilometers in diameter (120 km along its major axis). It was discovered in 1852 by Hermann Goldschmidt, and is named after Lutetia, the Latin name ...

, an asteroid in the asteroid belt

Music

XXI (band) XXI (formerly, A Feast for Kings (AFFK)) is an American Christian metal band that also takes influences from Alternative metal and Post-hardcore. They come from Carrollton, Kentucky, where they were formed in 2010, with lead vocalist Eric Gentry ...

, a band formerly known as A Feast for Kings *

Twenty One Pilots Twenty One Pilots is an American musical duo from Columbus, Ohio. Initially a band, the group was formed in 2009 by lead vocalist Tyler Joseph along with Nick Thomas and Chris Salih, who both left in 2011. Since their departure, the line-up h ...

, American musical duo *

21 Savage Shéyaa Bin Abraham-Joseph (born October 22, 1992), known professionally as 21 Savage, is an American-British rapper. Born in London and raised in Atlanta, he began his recording career in 2013 and released three independent mixtapes to regiona ...

, an Atlanta-based rapper

Albums

* ''21'' (EP), a 2015 EP by Hunter Hayes * ''21'' (Omarion album), 2006 * ''21'' (Adele album), 2011 * ''21'' (Rage album), 2012 * ''Twenty One'' (Geri Allen album), 1994 * ''Twenty One'' (Mystery Jets album), 2008 *'' Twenty 1'', a 1991 album by Chicago *''XXI'', a 2015 box set by

Rammstein Rammstein (, "ramming stone") is a German band formed in Berlin in 1994. The band's lineup—consisting of lead vocalist Till Lindemann, lead guitarist Richard Kruspe, rhythm guitarist Paul Landers, bassist Oliver Riedel, drummer Christoph ...

Songs

* "21" (The Paddingtons song), 2004 * "21" (Hunter Hayes song), 2015 * "21" (Polo G song), 2020 *"21", a song by Ayra Starr on ''

The Year I Turned 21 ''The Year I Turned 21'' is the second studio album by Nigerian singer-songwriter Ayra Starr. It was released through Mavin Records on 31 May 2024. The album contains guest appearances from Asake, Anitta, Coco Jones, Giveon, Seyi Vibez, Rvs ...

'' *"21", a song by Corey Hart on '' Young Man Running'' *"21", a song by Craig Davis from '' 22'' (2022) *"21", a song by

DaBaby Jonathan Lyndale Kirk (born December 22, 1991), known professionally as DaBaby (formerly Baby Jesus), is an American rapper. After releasing several mixtapes between 2014 and 2018, he signed with Interscope Records in January 2019 in a joint ...

from ''Blank Blank'' *"21", a song by Dean from 130 mood: TRBL *"21", a song by Gracie Abrams on ''minor'' (EP) *"21", a 2015 song by Cory Marks from '' This Man'' *"21", a 2010 song by Flo Rida from '' Only One Flo (Part 1)'' *"21", a 2018 song by Mitch James *''21?!'', a 2008 song and EP by Marya Roxx *"Twenty One", a song by

The Shirelles The Shirelles were an American girl group formed in Passaic, New Jersey, in 1957. They consisted of schoolmates Shirley Owens (later Shirley Alston Reeves), Doris Coley (later Doris Kenner-Jackson), Addie "Micki" Harris (later Addie Harris McF ...

*"Twenty One", a song by Khalid from '' Free Spirit'' *"Twenty-One", a song by The Eagles from '' Desperado'' *"Twenty One", a song by The Cranberries from ''

No Need to Argue ''No Need to Argue'' is the second studio album by Irish alternative rock band the Cranberries, released on 3 October 1994, through Island Records. It is the band's best-selling album, and has sold over 17 million copies worldwide as of 2014. I ...

'' *"Twenty One", a song by Corey Smith

Games and sports

* Twenty-One (card game), forerunner of Blackjack and Pontoon *

21 (drinking game) 21, Bagram, or Twenty Plus One is a drinking game. The game progresses by counting up from 1 to 21, with the player who calls "21" suffering a drinking penalty before the next round starts. The loser may add 1 new rule to the game, and starts the ...

, a counting game * 21, also "Counting to 21 game" or "21 game", a Nim-style counting game *

Twenty-one (basketball) Twenty-one, also called play21basketball, cutthroat, hustle, tip-it, noyceball, roughhouse, scutter, rough, or rebound is a popular variation of street basketball. The game is played with any number of players on a half court, but typically when ...

, a basketball variation * ''Twenty-One'' (game show), an American game show from 1956 to 1958 and in 2000 *''

Catch 21 ''Catch 21'' is an American game show broadcast by Game Show Network (GSN). Created by Merrill Heatter (who also produced the show's predecessor '' Gambit''), the series follows three contestants as they play a card game centered on blackjac ...

'', an American game show based on Blackjack

Other uses

* ''21'' (novel) or ''The Final Unfinished Voyage of Jack Aubrey'', by Patrick O'Brian, 2004 * "21" (''Boardwalk Empire''), an episode of the ''Boardwalk Empire'' television series *

21 Club The 21 Club, often simply 21, was a traditional American cuisine restaurant and former prohibition-era speakeasy, located at 21 West 52nd Street in New York City. Prior to its closure in 2020, the club had been active for 90 years, and it had ...

, a former restaurant and nightclub in New York City * Twentyone Lake, a lake in Minnesota *

Caterham 21 The Caterham 21 is a two-seat Roadster (automobile), roadster designed and hand built by Caterham Cars in the 1990s. It was based on the mechanicals of the Caterham 7 and was intended to be a more practical version of that car with more conventi ...

, a roadster