120 (one hundred twenty) is a positive integer following 119 and preceding 121. A rare name for it is twelfty.[1] Since "hundred" used to refer to either 100 or 120, the names long hundred and great hundred for 120 were also coined to disambiguate them.

120 is the eighth tetrahedral number, the 15th triangular number, and the fifth factorial number.

120 is the first number whose sum of its proper divisors equals twice the number itself.

It is also equal to 10!!!!.

In chess

It is also the number of possible bishop moves in 5×5 minichess.

In gaming

120 has appeared several times in Super Mario games, for instance:


  1. Twelfty for Decimal Users

See also

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