Factorial (disambiguation)

The factorial of a number ${\displaystyle n}$ is ${\displaystyle n!=n\cdot (n-1)\cdot (n-2)\cdots }$, the product of positive integers up to ${\displaystyle n}$. Factorial may also refer to:

• Factorial experiment, a statistical experiment over all combinations of values
• Factorial code, data representation by independent components
• Factorial (software company), supplier of human resources software