2!!

2!!

Enter Multifactorial

Calculate the multifactorial 2!!

We have 2 exclamation symbols (!)

Start at 2

Iterate backwards in steps of 2

Stop when we hit 1 or below

Term 1

For term 1, we start with 2

Build final multifactorial answer:

2!! = n...

2!! = 2

2!! = 2

You have 1 free calculations remaining

What is the Answer?

How does the Multifactorials Calculator work?

Free Multifactorials Calculator - Calculates the multifactorial n!(m)
This calculator has 1 input.

What 1 formula is used for the Multifactorials Calculator?

n!(m) = (n - m) * (n - m - m) * ... * 1

For more math formulas, check out our Formula Dossier

What 3 concepts are covered in the Multifactorials Calculator?

factorialThe product of an integer and all the integers below itmultifactorialgeneralisation of a factorial in which each element to be multiplied differs from the next by an integerpermutationa way in which a set or number of things can be ordered or arranged.
nPr = n!/(n - r)!

Example calculations for the Multifactorials Calculator

Multifactorials Calculator Video

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