meaning of factorial
1. Of or pertaining to a factory.
2. Related to factorials.
3. A name given to the factors of a continued product when the former are derivable from one and the same function F(x) by successively imparting a constant increment or decrement h to the independent variable. Thus the product F(x). F(x + h). F(x + 2h) . . . F[x + (n-1)h] is called a factorial term, and its several factors take the name of factorials.
4. The product of the consecutive numbers from unity up to any given number.
5. the product of all the integers up to and including a given integer; "1, 2, 6, 24, and 120 are
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