108 (number)
108 is the natural number following 107 and preceding 109.
| |||
| Cardinal | one hundred [and] eight | ||
| Ordinal | 108th | ||
| Factorization | <math>2^2 \cdot 3^3<math> | ||
| Divisors | 2, 3, 4, 6, 9, 12, 18, 27, 36, 54 | ||
| Roman numeral | CVIII | ||
| Binary | 1101100 | ||
| Hexadecimal | 6C | ||
In mathematics
One hundred eight is an abundant number, a tetranacci number, a Harshad number and a self number. It is the hyperfactorial of 3. 108 is a number that is divisible by the value of its φ function, which is 36.
In normal space, the interior angles of an equilateral pentagon measure 108 degrees each.
In other fields
One hundred eight is also:
- The atomic number of hassium.
- In Homer's Odyssey, 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.
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