4 is a number, numeral, and digit. 4 or four may also refer to:

Months and years

AD 4 AD 4 was a common year starting on Wednesday or a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar (the sources differ, see leap year error for further information) and a leap year starting on Tuesday ...

, the fourth year of the AD era * 4 BC, the fourth year before the AD era * 1904 * 2004 * The month of

April April is the fourth month of the year in the Gregorian and Julian calendars. It is the first of four months to have a length of 30 days, and the second of five months to have a length of less than 31 days. April is commonly associated with ...

Places

* Four, Isère, a French commune * 4th arrondissement of Paris, an administrative district of Paris, France

Transport

BMW 4 Series The BMW 4 Series is a range of compact executive cars manufactured by BMW since 2013. The 4 Series was created when BMW spun off the 2-door models (coupé and convertible) of the 3 Series into a separate series. The 4 Series is currently in its ...

Renault 4 The Renault 4, also known as the 4L (pronounced "Quatrelle" in French), is a small economy car produced by the French automaker Renault between 1961 and 1994. Although the Renault 4 was marketed as a short station wagon, its minimal rear overhang ...

* 4 (New York City Subway service), service schedule

Film and television

* ''4'' (2005 film), a 2005 film directed by Ilya Khrzhanovsky * ''4'' (2007 film), a 2007 film directed by Tim Slade * ''Four'' (2011 film), a 2011 film directed by John Langridge * ''Four'' (2012 film), a 2012 film directed by Joshua Sanchez * ''Four'' (TV series), an Indian soap opera * Number Four (''Battlestar Galactica''), or Simon, is a Cylon model in the re-imagined ''Battlestar Galactica'' series. * Numbuh 4, a fictional character in '' Codename: Kids Next Door'' *

Channel 4 Channel 4 is a British free-to-air public broadcast television network operated by the state-owned enterprise, state-owned Channel Four Television Corporation. It began its transmission on 2 November 1982 and was established to provide a four ...

, a British television channel *

Four (New Zealand TV channel) Four (stylised as FOUR; formerly TV4) was the second New Zealand television channel owned and operated by MediaWorks New Zealand, broadcast via the state-owned Kordia transmission network. The channel launched on 29 June 1997 as TV4 and was ...

, a New Zealand television channel * ''

News 4 New York WNBC (channel 4) is a television station in New York City, serving as the flagship of the NBC network. It is owned and operated by the network's NBC Owned Television Stations division alongside Linden, New Jersey–licensed Telemundo station ...

'', a flagship newscast broadcast on WNBC-TV in New York City * ''

I Am Number Four ''I Am Number Four'' is a young adult science fiction novel by Pittacus Lore (the pseudonym of James Frey and Jobie Hughes) and the first book in the ''Lorien Legacies'' series. The book was published by HarperCollins on August 3, 2010, and s ...

'', a novel, adapted into a 2011 film of the same name * '' The Four: Battle For Stardom'', a 2018 American music reality series

Music

* #4, American musician a.k.a.

James Root James Donald Root (born October 2, 1971) is an American guitarist. He is one of two guitarists for heavy metal band Slipknot, in which he is designated #4, as well as the former lead guitarist for rock band Stone Sour. Life and career Ro ...

* Four Four, an Australian independent record label

Albums

* ''4'', a 2010 album by The Bamboos, 2010 * ''4'' (Beyoncé album), 2011 * ''4'' (Dungen album), 2008 * ''4'' (Foreigner album), 1981 * ''4'' (Fourplay album), 1998 * ''4'' (Gerling album), 2006 * ''4'' (Johan album), 2009 * ''4'' (Kumbia Kings album), 2003 * ''4'' (Lead album), 2006 * ''4'' (Lipps Inc. album), 1983 * ''4'' (Los Hermanos album), 2005 * ''4'' (Slash album), 2022 * ''4'' (Supersilent album), 1998 * ''4'' (The Red Jumpsuit Apparatus album), 2014 * ''4'' (Whigfield album), 2002 * '':4'' (Galliano album), 1996 * ''#4'' (Suburban Kids with Biblical Names EP), 2009 * ''4'' (Hunter EP), 2009 * ''4'' (Matisse EP), 2003 * ''Four'' (Bleu album), 2010 * ''Four'' (Bloc Party album), 2012 * ''Four'' (Blues Traveler album), 1994 * ''Four'' (Charlotte Church EP), 2014 * ''Four'' (Fair Warning album), 2000 * ''Four!'' (Hampton Hawes album), 1958 * ''Four'' (Joe Henderson album), 1968 * ''Four'' (One Direction album), 2014 * ''Four'' (Seaweed album), 1993 * '' Four (Acts of Love)'', by Mick Harvey, 2013 * ''Fourth'' (album), by Soft Machine, 1971 * ''No. 4'' (album), by Stone Temple Pilots, 1999 * '' 4: John Paul George Ringo'', a 2014 compilation EP featuring songs by John Lennon, Paul McCartney, George Harrison and Ringo Starr

Songs

* "4", by Aphex Twin from ''

Richard D. James Album ''Richard D. James Album'' is the eponymous fourth studio album by British electronic musician Richard D. James, under his pseudonym Aphex Twin. In the United Kingdom, the album was released on 4 November 1996 through Warp. In the United S ...

'', 1996 * "Four", by Lit from '' A Place in the Sun'', 1999 * "Song 4", by Babymetal from ''

Babymetal (stylized in all caps) is a Japanese kawaii metal band consisting of Suzuka Nakamoto as "Su-metal" and Moa Kikuchi as "Moametal". The band is produced by Kobametal from the Amuse talent agency. Their vocals are backed by heavy metal instrume ...

'', 2014 * "Four" (composition), composition credited to Miles Davis which he first recorded in 1954

Other uses

* 4, occasionally used in

acronym An acronym is a word or name formed from the initial components of a longer name or phrase. Acronyms are usually formed from the initial letters of words, as in ''NATO'' (''North Atlantic Treaty Organization''), but sometimes use syllables, as ...

s to mean the word "for" * 4 (axiom), an axiom in modal logic * Four (drink), a beverage * Four, scoring ("boundary") situation in cricket *

FOUR score The FOUR Score is a clinical grading scale designed for use by medical professionals in the assessment of patients with impaired level of consciousness. It was developed by Dr. Eelco F.M. Wijdicks and colleagues in Neurocritical care at the Mayo Cl ...

, a method of quantifying coma * Fours (Enneagram of Personality), a psychological type of the Enneagram of Personality * Four (comics), fictional characters in ''Planetary'' * Four, the nickname of the fictional character Tobias Eaton in the ''Divergent'' series of books

Similar glyphs

* , symbol for

Jupiter Jupiter is the fifth planet from the Sun and the List of Solar System objects by size, largest in the Solar System. It is a gas giant with a mass more than two and a half times that of all the other planets in the Solar System combined, but ...

* Ч,

Che (Cyrillic) Che, Cha or Chu (Ч ч; italics: ) is a letter of the Cyrillic script. It commonly represents the voiceless postalveolar affricate , like in "switch" or in "choice". In English, it is romanized most often as but sometimes as , like in ...

, a letter of the Cyrillic alphabet * Ɥ, an IPA symbol for the

labialized palatal approximant Labialization is a secondary articulatory feature of sounds in some languages. Labialized sounds involve the lips while the remainder of the oral cavity produces another sound. The term is normally restricted to consonants. When vowels involv ...

* Կ and Վ, letters of the

Armenian alphabet The Armenian alphabet ( hy, Հայոց գրեր, ' or , ') is an alphabetic writing system used to write Armenian language, Armenian. It was developed around 405 AD by Mesrop Mashtots, an Armenian linguist and wikt:ecclesiastical, ecclesiast ...