27 (number)

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← 26 27 28 →
Cardinal twenty-seven
Ordinal 27th
Factorization 33
Divisors 1, 3, 9, 27
Greek numeral ΚΖ´
Roman numeral XXVII
Binary 110112
Ternary 10003
Quaternary 1234
Quinary 1025
Senary 436
Octal 338
Duodecimal 2312
Hexadecimal 1B16
Vigesimal 1720
Base 36 R36

27 (twenty-seven) is the natural number following 26 and preceding 28.

In mathematics[edit]

In science[edit]



In language and literature[edit]

In astrology[edit]

  • 27 Nakṣatra or lunar mansions in Hindu astrology.

In art[edit]



  • "27", a song by Fall Out Boy on the album Folie à Deux
  • "27", a song by Passenger on the album Whispers
  • "27", a song by Title Fight on the album Shed.[5]
  • "27", a song by Biffy Clyro on the album Blackened Sky
  • "27", a song on Machine Gun Kelly's album Bloom
  • "27 Jennifers", a song by Mike Doughty on the album Rockity Roll
  • 27, an album by South Korean singer Kim Sung-kyu
  • 27, an album by Argentine rock band Ciro y los Persas
  • "Weird Al" Yankovic thinks it's a funny number, and it shows up on at least one song in almost every album of his.[citation needed]
  • Twenty-Seven, an album by The Adicts.
  • French rapper Kaaris' signature number is 27, from his zipcode 93270.
  • "Twenty Seven Strangers" by Villagers.
  • 27, a Boston-based band
  • 27, an opera by composer Ricky Ian Gordon and librettist Royce Vavrek
  • 27 Club, a list of popular musicians, artists, or actors who died at age 27


  • The Minneapolis-based artist Deuce 7 (a.k.a. Deuce Seven, Twenty Seven, 27).

In sports[edit]

  • The number of outs in a regulation baseball game for each team at all adult levels, including professional play, is 27.
  • The New York Yankees have won 27 World Series titles, more than any other team in the MLB.

In other fields[edit]

Twenty-seven is also:

  • The 27 Club is a term used to refer to popular musicians who have died at the age of 27
  • A-27 - American attack aircraft
  • The total number of letters in the Hebrew alphabet (22 regular letters and 5 final consonants)
  • The total number of letters in the Spanish alphabet (5 vowels and 22 consonants)
  • The code for international direct-dial phone calls to South Africa
  • The name of a cigarette, Marlboro Blend No. 27
  • Alternate name for The Hunt, a book by William Diehl
  • The number of the French department Eure
  • Abbé Faria's prisoner number in the book The Count of Monte Cristo
  • One of the anthropomorphic math symbols Lisa Simpson imagines talking to her in The Simpsons episode "Girls Just Want to Have Sums", which, instead of offering the expected pun-based aphorism, rather unhelpfully only says "twenty seven".
  • In Stephen King's novel "It", It returns every 27 years to Derry.
  • 27 is the number of bones in the human hand.[6]
  • Average crowd funded contribution in the Bernie Sanders 2016 campaign.[citation needed]

See also[edit]


  1. ^ "Sloane's A001107 : 10-gonal (or decagonal) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-31. 
  2. ^ V. G. Kac, "Classification of Simple Z-Graded Lie Superalgebras and Simple Jordan Superalgebras" Communications in Algebra 5 13 (1977): 1380
  3. ^ "Sloane's A006753 : Smith numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-31. 
  4. ^ "Sloane's A005349 : Niven (or Harshad) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-31. 
  5. ^ http://titlefightmusic.bandcamp.com/album/shed
  6. ^ Steve Jenkins, Bones (2010), ISBN 978-0-545-04651-0