Enter Multifactorial


  

Calculate the multifactorial 1!!

We have 2 exclamation symbols (!)

Start at 1

Iterate backwards in steps of 2

Stop when we hit 1 or below

Term 1

For term 1, we start with 1

Build final multifactorial answer:

1!! = n...

1!! = 1

1!! = 1


You have 2 free calculationss remaining



What is the Answer?
1!! = 1
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?

factorial
The product of an integer and all the integers below it
multifactorial
generalisation of a factorial in which each element to be multiplied differs from the next by an integer
permutation
a way in which a set or number of things can be ordered or arranged.
nPr = n!/(n - r)!
Example calculations for the Multifactorials Calculator
  1. 16!!!
  2. 30!(4)

Multifactorials Calculator Video


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