List questions from computational-mathematics

Published on 16 Jul 2017 - 21:30

158

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Write the even perfect number $8128$ as sum of three palindromes

Published on 25 Mar 2026 - 21:48

52

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numerical number of points vs. word size and iterations

Published on 17 Jul 2017 - 23:59

134

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Given mean and sd, find an upper bound for a huge data set

Published on 18 Jul 2017 - 11:48

167

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Can $406014677132263504491682$ be the sum of two fourth powers?

Published on 18 Jul 2017 - 21:56

131

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Evaluation of log(1 + large number) without overflow

Published on 20 Jul 2017 - 23:51

262

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Natural numbers large enough can be written as $ab+ac+bc$ for some $a,b,c>0$

Published on 30 Mar 2026 - 13:40

462

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If N is a sum of two squares, then so is the odd part of N

Published on 29 Mar 2026 - 10:49

419

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How to prove this obviously true conjecture?

Published on 30 Mar 2026 - 13:37

58

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Squares consisting of only square substrings.

Published on 01 Aug 2017 - 10:36

115

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Question about exercise in matrix computations

Published on 04 Aug 2017 - 15:14

491

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A conjecture inspired by the abc-conjecture

Published on 25 Mar 2026 - 11:17

71

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Find the subsets of $\{ 1/k : k \in \mathbb{N} \}$ that sum to one

Published on 07 Aug 2017 - 20:57

33

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Frobenius in tower fields - information about a non-square $\alpha^{2k} \bmod p$

Published on 09 Aug 2017 - 15:37

73

Views

How to find three natural numbers $n_1, n_2, n_3$ with $n_1 < n_2 < n_3$ such that $n_1 + n_2 + n_3 = 784$ and $n_1^2 + n_2^2 = n_3^2$

Published on 09 Aug 2017 - 16:59

List Question

Can 406558142992290754819586 be expressed as the sum of two fourth powers?

Write the even perfect number $8128$ as sum of three palindromes

numerical number of points vs. word size and iterations

Given mean and sd, find an upper bound for a huge data set

Can $406014677132263504491682$ be the sum of two fourth powers?

Evaluation of log(1 + large number) without overflow

Natural numbers large enough can be written as $ab+ac+bc$ for some $a,b,c>0$

If N is a sum of two squares, then so is the odd part of N

How to prove this obviously true conjecture?

Squares consisting of only square substrings.

Question about exercise in matrix computations

A conjecture inspired by the abc-conjecture

Find the subsets of $\{ 1/k : k \in \mathbb{N} \}$ that sum to one

Frobenius in tower fields - information about a non-square $\alpha^{2k} \bmod p$

How to find three natural numbers $n_1, n_2, n_3$ with $n_1 < n_2 < n_3$ such that $n_1 + n_2 + n_3 = 784$ and $n_1^2 + n_2^2 = n_3^2$

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