List questions from number-theory

Published on 25 Mar 2026 - 14:39

237

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Product of sum of multiplicative function

Published on 23 Feb 2018 - 5:43

5.8k

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Definition: rational prime, rational integer

Published on 09 Apr 2026 - 12:13

43

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Show that $\lim_{s\to 1^+}\prod_{r \equiv 3 \mod 4} (1-r^{-s})^{-1} = \infty.$

Published on 23 Feb 2018 - 6:31

95

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Is the definition of the following set controversial: $\{x\mid x\in \mathbb N \space \space x \text{ can be described in less than 30 words}\}$

Published on 12 Apr 2026 - 7:43

112

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Why are complex numbers presented in a 2d panel (graph)?

Published on 26 Mar 2026 - 20:37

545

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Values of $n$ for which $10^n + 1$ is not square-free

Published on 12 Apr 2026 - 16:56

18

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Are there pairs $(x,n)$ for which :$x^n=0\bmod x+n$ with $x \neq n$ are positive integers?

Published on 23 Mar 2026 - 11:28

526

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Diophantine Equation $a^6+b^6+c^6=d^6$

Published on 25 Mar 2026 - 9:37

254

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How to differentiate the functional equation of $\zeta(s)$

Published on 10 Apr 2026 - 5:36

106

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On number of pairs of integers with lower bound on greatest common divisor

Published on 03 Apr 2026 - 12:36

106

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Dice Which Sum to Primes

Published on 05 Apr 2026 - 21:59

394

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Pohlig–Hellman/Big step baby step

Published on 09 Apr 2026 - 5:28

159

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Post Correspondence Problem, $(1101, 1),(0110,11),(1,110)$

Published on 26 Mar 2026 - 1:03

79

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How to solve $x^y = a \mod{b}$

Published on 12 Apr 2026 - 4:29

List Question

Quadratics which produce no primes

Product of sum of multiplicative function

Definition: rational prime, rational integer

Show that $\lim_{s\to 1^+}\prod_{r \equiv 3 \mod 4} (1-r^{-s})^{-1} = \infty.$

Is the definition of the following set controversial: $\{x\mid x\in \mathbb N \space \space x \text{ can be described in less than 30 words}\}$

Why are complex numbers presented in a 2d panel (graph)?

Values of $n$ for which $10^n + 1$ is not square-free

Are there pairs $(x,n)$ for which :$x^n=0\bmod x+n$ with $x \neq n$ are positive integers?

Diophantine Equation $a^6+b^6+c^6=d^6$

How to differentiate the functional equation of $\zeta(s)$

On number of pairs of integers with lower bound on greatest common divisor

Dice Which Sum to Primes

Pohlig–Hellman/Big step baby step

Post Correspondence Problem, $(1101, 1),(0110,11),(1,110)$

How to solve $x^y = a \mod{b}$

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