Question about factorial function
106888
Factorial identity $n!=1+(1-1/1!)n+(1-1/1!+1/2!)n(n-1)+\cdots$
83149
Factorial Inequality problem $\left(\frac n2\right)^n > n! > \left(\frac n3\right)^n$
5332
Find the value of $\sum_0^n \binom{n}{k} (-1)^k \frac{1}{k+1}$
78905
Calculate the factorial of an arbitrarily large number, showing all the digits
118571
Why is $\sum\limits_{k=0}^{n}(-1)^k\binom{n}{k}^2=(-1)^{n/2}\binom{n}{n/2}$ if $n$ is even?
19581
$\sum_{k=0}^n (-1)^k \binom{n}{k}^2$ and $\sum_{k=0}^n k \binom{n}{k}^2$
144773
function $f(x)=x^{-(1/3)}$ , please check whether my solution is correct?
20611
Inverse of a factorial
139074
Question about $a_n=\sum_{k=1}^n \frac{n}{n^2+k}\ $for $ n \in\mathbb{N}$
9126
How many bits are in factorial?
102542
Is there a way to reverse factorials?
48657
Solving factorial equations
134066
Total number of factors of a number
153796
How to define fractional factorials, like 3.6!?
63581
Computation of a limit involving factorial $\lim_{n \to \infty} \sqrt[n+1] {(n+1)!} - \sqrt[n] {(n)!} = \frac{1}{e}$
120913
How would you write a non-recursive algorithm to calculate factorials?
66867
Question regarding the function $z=a+bi \mapsto f(z)=a+i(a+b)$.