New posts in factorial

Fast way to calculate n! mod m where m is prime?

algorithm math factorial modulus

How do we calculate factorials for numbers with decimal places? [duplicate]

factorial gamma-function

Proof that $\frac{(2n)!}{2^n}$ is integer

Show this equality (The factorial as an alternate sum with binomial coefficients).

combinatorics summation binomial-coefficients factorial

What is the remainder when $1! + 2! + 3! +\cdots+ 1000!$ is divided by $12$?

elementary-number-theory divisibility factorial integers

History of notation: "!"

reference-request notation math-history factorial

Prove $\sum\limits_{j=1}^k(-1)^{k-j}j^k\binom{k}{j}=k!$ [duplicate]

combinatorics summation binomial-coefficients factorial

Comparing Factorials vs 2^n

exponential-function factorial

Evaluate $\frac{0!}{4!}+\frac{1!}{5!}+\frac{2!}{6!}+\frac{3!}{7!}+\frac{4!}{8!}+\cdots$

calculus sequences-and-series factorial

Computational results for the sequence $n!+{p_n}!+1$ are, well, very very unusual

number-theory soft-question prime-numbers factorial

Almost Stirling's Approximation

integration approximation factorial upper-lower-bounds

limits of sequences exponential and factorial: $a_n=e^{5\cos((\pi/6)^n)}$ and $a_n=\frac{n!}{n^n}$

calculus sequences-and-series limits factorial

Showing n! is greater than n to the tenth power

real-analysis inequality factorial

Can the factorial function be written as a sum?

elementary-number-theory summation factorial

Is $\sum\limits_{n=1}^{\infty}\frac{n!}{n^n}$ convergent?

calculus sequences-and-series exponentiation factorial

$\sum_{i=1}^n i\cdot i! = (n+1)!-1$ By Induction

discrete-mathematics summation induction factorial

Convergence of $\sum_{n=1}^\infty\frac{n}{(n+1)!}$

sequences-and-series analysis convergence-divergence factorial telescopic-series

are all $n!$ ($n>3$) the difference of two squares?

number-theory factorial

Higher order factorials.

functions factorial gamma-function

Double factorial series

sequences-and-series convergence-divergence summation factorial closed-form