factorial
Mathematics. the product of a given positive integer multiplied by all lesser positive integers: The quantity four factorial (4!) = 4 ⋅ 3 ⋅ 2 ⋅ 1 = 24. Symbol:n!, where n is the given integer.
Origin of factorial
1Other words from factorial
- fac·to·ri·al·ly, adverb
Words Nearby factorial
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use factorial in a sentence
These phenomena demonstrate the existence of a complex interrelation between the factorial units.
The Organism as a Whole | Jacques LoebIn its place stands the factorial hypothesis, evolved by workers in America, England, and France at about the same time.
Applied Eugenics | Paul Popenoe and Roswell Hill JohnsonIt is by no means unlikely that various dark forms of lubricipeda correspond with a progressive series of factorial additions.
Problems of Genetics | William BatesonThe possible connections within it were factorial one hundred thousand.
Unwise Child | Gordon Randall Garrett
British Dictionary definitions for factorial
/ (fækˈtɔːrɪəl) maths /
the product of all the positive integers from one up to and including a given integer. Factorial zero is assigned the value of one: factorial four is 1 × 2 × 3 × 4 . Symbol: n !, where n is the given integer
of or involving factorials or factors
Derived forms of factorial
- factorially, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for factorial
[ făk-tôr′ē-əl ]
The product of all of the positive integers from 1 to a given positive integer. It is written as the given integer followed by an exclamation point. For example, the factorial of 4 (written 4!) is 1 X 2 X 3 X 4, or 24.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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