Factorial (n!) multiplies all whole numbers from chosen number to 1. 1! equals 1, 0! equals 1. Factorial of n is n × (n-1)!
Factorial(n) computes product of numbers from n to 1. Factorial(0) is taken to be 1
Factorial is the product of a number and all integers up to that number. Represented by symbol '!' and defined by n! = n × (n-1)!. Factorial of 0 is always 1, as 0! = 1. Factorial of 100 is 9.332621544 E+157 with 158 digits
Factorial is the product of all integers smaller than a given number. Factorial is denoted by "!" and calculated using n! = n * (n-1) * ... *. Factorial is used in probability theory, combinatorics, and cryptography
Zero factorial represents the number of arrangements of a set with no values. Factorial is a shorthand for multiplying numbers by integers less than or equal to the original
Factorial of n is product of all positive integers up to n. 0! is defined as 1. Useful for counting different combinations of things