factorial factoress • factorially · · · Info · Definitions · Characters · · factorial · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the product of all the integers up to and including a given integer. Examples: "1, 2, 6, 24, and 120 are factorials." · · Noun Definition 1 (adj) of or relating to factorials. · · Adjective Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074