FactorialI function

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Warning

This documentation refers to the Classic QDK, which has been replaced by the Modern QDK.

Please see https://aka.ms/qdk.api for the API documentation for the Modern QDK.

Namespace: Microsoft.Quantum.Math

Package: Microsoft.Quantum.Standard

Returns the factorial of a given number.

function FactorialI (n : Int) : Int

Description

Returns the factorial of a given nonnegative integer $n$, where $n \le 20$.

Input

n : Int

The number to take the factorial of.

Output : Int

The factorial of n.

Remarks

For inputs greater than 20, please use FactorialL function.

See Also