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
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
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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
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