List questions from factorial

Published on 24 Jan 2014 - 11:59

114

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Finding $n$ in $n=ReverseFactorial(x)$ where $x$ is known.

Published on 25 Jan 2014 - 0:45

265

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Binomial coefficient properties

Published on 26 Jan 2014 - 20:19

510

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$211!$ or $106^{211}$:Which is greater?

Published on 25 Mar 2026 - 11:12

587

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More identities of the Ramanujan Double factorial type.

Published on 29 Jan 2014 - 13:14

837

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An identity involving the Pochhammer symbol

Published on 26 Mar 2026 - 12:57

189

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Proof of convergence of $\sum\limits_{n=1}^\infty \frac{(2n)!!}{(2n+3)!!} $

Published on 30 Jan 2014 - 16:21

4.4k

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Is there a rule to the terms of a falling factorial?

Published on 27 Mar 2026 - 0:06

103

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Combinations from a finite pool of objects

Published on 02 Feb 2014 - 0:03

44

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Need help at factorial

Published on 02 Feb 2014 - 10:21

905

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Why do many calculators evaluate $(-0.5)!$ to $\sqrt\pi$?

Published on 02 Apr 2026 - 19:19

198

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Why $\lim_{n \to \infty} \frac{2^nn!}{(2n)!} = 0$

Published on 02 Feb 2014 - 15:07

3.9k

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Factorial Length‎

Published on 02 Feb 2014 - 20:46

29

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The highest power of $(n^r-1)!$

Published on 03 Feb 2014 - 5:53

3.5k

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Limit of $(n-k)! \cdot n^k$ as $n$ approaches infinity

Published on 06 Apr 2026 - 2:43

List Question

How many zeroes (at the end) will 10! have when written in base 3?

Finding $n$ in $n=ReverseFactorial(x)$ where $x$ is known.

Binomial coefficient properties

$211!$ or $106^{211}$:Which is greater?

More identities of the Ramanujan Double factorial type.

An identity involving the Pochhammer symbol

Proof of convergence of $\sum\limits_{n=1}^\infty \frac{(2n)!!}{(2n+3)!!} $

Is there a rule to the terms of a falling factorial?

Combinations from a finite pool of objects

Need help at factorial

Why do many calculators evaluate $(-0.5)!$ to $\sqrt\pi$?

Why $\lim_{n \to \infty} \frac{2^nn!}{(2n)!} = 0$

Factorial Length‎

The highest power of $(n^r-1)!$

Limit of $(n-k)! \cdot n^k$ as $n$ approaches infinity

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