108 (number)

108 is the natural number following 107 and preceding 109.

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.

There are 108 free polyominoes of order 7.

It is a split double prime of 2 and 3.

One hundred eight is also:

The number of beads on a Mala (Sanskrit word for a rosary of beads) usually has beads for 108 repetitions of a mantra
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 represents a star in Chinese astrology.)
Several different tai chi long forms consist of 108 moves.
It is a sacred number in Hinduism used and referred to in a variety of manners
- A symbol of Siva among the Saivites, for Siva Nataraja dances his cosmic dance in 108 poses.
- Hindu deities have 108 names. Recital of these names, often accompanied by counting of 108-beaded Mala, is considered sacred and often done during religious ceremonies. The recital is called namajapa.
Apart from Hinduism, it is also held sacred or otherwise significant by various Buddhist, Sikh, and Jain traditions.
The number of surat al-Kawthar in the Qur'an, the smallest one of the Book.
In Islam, used to refer to Allah.
The year CE 108 or 108 BCE.
A significant number in the TV series Lost (Also: 4+8+15+16+23+42=108)
The number of stitches on a baseball.

Why 108? Article on the symbolism of the number 108.