2 entries found for factorial.
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factorial[1,noun] factorial[2,adjective]

Main Entry: ¹fac·to·ri·al
Pronunciation: fak-tr--l, -tr-
Function: noun
1 : the product of all the positive whole numbers from 1 to the number given -- symbol !
2 : the quantity 0! that is defined as equal to 1

Pronunciation Symbols