List questions from factorial

Published on 02 May 2015 - 12:51

190

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Evaluating the factorial-related limit $\lim_{x \to \infty} (x + 1)!^{1 / (x + 1)} - x!^{1/x}$

Published on 03 May 2015 - 3:40

254

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Prove that $2^n(n!)^2 \leq (2n)!$

Published on 03 May 2015 - 11:22

25

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Combining an outcome of a score

Published on 29 Mar 2026 - 5:50

78

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Intuitive explanation for this Gamma function identity

Published on 06 May 2015 - 6:43

284

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Convergence, finding limit $\lim_{n \to \infty} \frac{2^n}{n!}$

Published on 06 May 2015 - 9:49

4.9k

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Combinatorial Proof of falling factorial and binomial theorem

Published on 28 Mar 2026 - 20:06

304

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$2\times 5 \times 8 \ldots \times (3n-1)=?$

Published on 09 May 2015 - 4:31

767

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Trapezoidal Rule in Stirling's Approximation

Published on 12 May 2015 - 0:00

180

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what is remainder when $(((3!)^{5!})^{7!})^{9!...}$ is divided by 11

Published on 14 May 2015 - 5:29

4.5k

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Finite Summation of Fractional Factorial Series

Published on 14 May 2015 - 8:09

221

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Elementary proof about nth differences of nth powers of integer

Published on 27 Mar 2026 - 23:32

67

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function of input size N, combination problem

Published on 14 May 2015 - 17:06

717

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number of ways to choose pairs of nonadjacent people from $2k$ people sitting in a circle

Published on 31 Mar 2026 - 1:46

1.7k

Views

Simplify the expression (combination and factorial)

Published on 15 May 2015 - 15:12

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Calculate position in password search

Evaluating the factorial-related limit $\lim_{x \to \infty} (x + 1)!^{1 / (x + 1)} - x!^{1/x}$

Prove that $2^n(n!)^2 \leq (2n)!$

Combining an outcome of a score

Intuitive explanation for this Gamma function identity

Convergence, finding limit $\lim_{n \to \infty} \frac{2^n}{n!}$

Combinatorial Proof of falling factorial and binomial theorem

$2\times 5 \times 8 \ldots \times (3n-1)=?$

Trapezoidal Rule in Stirling's Approximation

what is remainder when $(((3!)^{5!})^{7!})^{9!...}$ is divided by 11

Finite Summation of Fractional Factorial Series

Elementary proof about nth differences of nth powers of integer

function of input size N, combination problem

number of ways to choose pairs of nonadjacent people from $2k$ people sitting in a circle

Simplify the expression (combination and factorial)

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