Is there a notation for addition form of factorial? 5! =

Michael Maggard 2021-12-15 Answered
Is there a notation for addition form of factorial?
5!=5×4×3×2×1
Thats
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usumbiix
Answered 2021-12-16 Author has 33 answers
We should also note that the factorial function has a similar look to it as the sigma summation notation; as
n(n+1)2=1+2+3++n=k=1nk
n!=123n=k1nk

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Thomas White
Answered 2021-12-17 Author has 40 answers
It is called the nth triangle number and it can be written as (n+12), as a binomial coefficient.

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