factorial

adj. of factorials, of the total of an integer when multiplied by all lower positive integers (Mathematics); of a factor or factors (Mathematics); of an agent; of a factory

n. total of an integer when multiplied by all lower positive integers (Mathematics)

In mathematics, the factorial of a non-negative integer  is the product of all positive integers less than or equal to . For example,and where represents n factorial. The notation was introduced by Christian Kramp in 1808.
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n. factorial, total of an integer when multiplied by all lower positive integers (Mathematics)

n. factorial

Noun
1. the product of all the integers up to and including a given integer; "1, 2, 6, 24, and 120 are factorials"
(hypernym) product, mathematical product
Adjective
1. of or relating to factorials