72 (number)

71 72 73
Cardinal seventy-two
Ordinal 72nd
(seventy-second)
Factorization 23× 32
Divisors 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
Roman numeral LXXII
Binary 10010002
Ternary 22003
Quaternary 10204
Quinary 2425
Senary 2006
Octal 1108
Duodecimal 6012
Hexadecimal 4816
Vigesimal 3C20
Base 36 2036

72 (seventy-two) is the natural number following 71 and preceding 73. It is half a gross or 6 dozen (i.e., 60 in duodecimal).

In mathematics

72 is:

In a plane, the exterior angles of a regular pentagon measure 72 degrees each.

In science

In astronomy

In religion

In other fields

Seventy-two is also:

In sports and games

In Software

Reference

Harald Specht: “Der Jahwe-Code – Auf den Spuren der heiligen Zahl 72”, Leipzig 2011, ISBN 978-3-86268-375-8.

Footnotes

  1. "Sloane's A002378 : Oblong (or promic, pronic, or heteromecic) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-29.
  2. "Sloane's A097942 : Highly totient numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-29.
  3. ISBN 0-292-72076-9
  4. "Egyptian Myths", George Hart, p41, University of Texas Press, 1990
  5. "Sects In Islam - 73 Groups in Islam, Division - Denominations". Retrieved 24 March 2013.
  6. Sunan Ibn Maajah, no. 3982 "My Ummah will be divided into seventy-three sects, one of which will be in Paradise and seventy-two will be in the Fire"
  7. http://www.telesurtv.net/english/opinion/An-End-to-the-Yazidi-Tragedy-Only-Comes-with-Kurdish-Freedom-20151220-0004.html

External links

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