Home > 108 (number)

108 is the natural number following 107 and preceding 109.

1 In mathematics

One hundred eight is an abundant number, a tetranacci number, a Harshad number and a self number. It is the hyperfactorial of 33 three is the natural number following 2 and preceding 4. Prefixes for 3 include tri- ( Greek) and tre- Latin. Evolution of the glyph Three is often the largest number written with as many lines as the number represents. Even the Romans tired of writing. 108 is a number that is divisible by the value of its φ functionIn number theory, the totient φ n of a positive integer n is defined to be the number of positive integers less than or equal to n and coprime to n''. For example, φ(8) 4 since the four numbers 1, 3, 5 and 7 are coprime to 8. The function φ so, which is 36.

In normal space, the interior angles of an equilateral pentagonThis is an article about the geometrical shape. See The Pentagon for an article about the building near Washington, DC. See also: Pentagon (disambiguation). In geometry, a pentagon is any five-sided polygon. However, the term is commonly used to mean a re measure 108 degrees each.

2 In other fields

One hundred eight is also:

• The atomic numberThe atomic number Z is a term used in chemistry and physics to represent the number of protons found in the nucleus of an atom. In an atom of neutral charge, the number of electrons typically equals the atomic number. The atomic number originally meant th of hassiumbohrium hassium meitnerium Os Hs Full table Known properties Name, Symbol, NumberHassium, Hs, 108 Chemical series Transition metals Group, Period, Block 8, 7 , d Appearance unknown; probably metallic, silvery white or gray Atomic weight 1 E-25 kg|[269] am.
• In HomerFor other uses, see Homer (disambiguation). Homer ( Greek Ὅμηρος Hómēros was a legendary (or perhaps mythical) early Greek poet traditionally credited with authorship of the major Greek epics Iliad a's OdysseyFor the cable TV channel formerly called Odyssey, see the Hallmark Channel. The Odyssey is the second of the two great Greek epic poems ascribed to Homer, the first being the Iliad''. The book follows the events of the voyage of Odysseus, king of Ithaca,, the number of suitors coveting Penelope, wife of Odysseus.
• Chinese astrology holds that there are 108 sacred stars. (This legend is the basis of the Suikoden series of video games: each of the 108 playable characters is a representation of a star in Chinese astrology.)
• Several different tai chi long forms consist of 108 moves.
• A Mala ( Sanskrit word for prayer beads) usually has beads for 108 repetitions of a mantra)
• The number of surat al-Kawthar in the Qur'an
• The year AD 108 or 108 BC.