List questions from recreational-mathematics

Published on 26 Mar 2026 - 2:49

127

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Is there a number that is palindromal in both base 2 and base 3?

Published on 25 Mar 2026 - 12:26

120

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Large 2-digit numbers that factor into 2-digit numbers.

Published on 30 Mar 2026 - 10:10

100

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Logical proof using equivalencies

Published on 05 Feb 2017 - 7:43

1k

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Is there a Sokoban level where it is always possible to move at least one box?

Published on 06 Feb 2017 - 3:16

191

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Probability times $3$ on clock patience

Published on 07 Feb 2017 - 16:17

1.4k

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Maximizing Score in Dice Rolling Game

Published on 07 Feb 2017 - 19:37

102

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A function that takes itself as an input and returns different function with the same property?

Published on 29 Mar 2026 - 5:10

189

Views

How to find a $9\times 13$ matrix where one can read the squares of $1$ to $100$?

Published on 08 Feb 2017 - 17:45

496

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I am curious to the field of mathematics. How would you solve a formula to this problem on paper?

Published on 09 Feb 2017 - 21:32

251

Views

Kaprekar's constant, visit count of each number

Published on 10 Feb 2017 - 8:09

614

Views

The Caverns of Primitive Polynomial GF[2]

Published on 04 Apr 2026 - 7:52

40

Views

For what reason, why is $x_i^{\frac{1}{2}}$ applied to transform the usual regression to transform Weighted Least Regression?

Published on 01 Apr 2026 - 17:10

95

Views

What are the possible correct answers for this probability word question?

Published on 14 Feb 2017 - 4:36

1.6k

Views

Distance of a point from a line passing through two points.

Published on 14 Feb 2017 - 9:41

List Question

Prove the recurrence $x_{n}=\frac{x_{n-2}}{1+x_{n-1}}$ converges for a unique $x_1$

Is there a number that is palindromal in both base 2 and base 3?

Large 2-digit numbers that factor into 2-digit numbers.

Logical proof using equivalencies

Is there a Sokoban level where it is always possible to move at least one box?

Probability times $3$ on clock patience

Maximizing Score in Dice Rolling Game

A function that takes itself as an input and returns different function with the same property?

How to find a $9\times 13$ matrix where one can read the squares of $1$ to $100$?

I am curious to the field of mathematics. How would you solve a formula to this problem on paper?

Kaprekar's constant, visit count of each number

The Caverns of Primitive Polynomial GF[2]

For what reason, why is $x_i^{\frac{1}{2}}$ applied to transform the usual regression to transform Weighted Least Regression?

What are the possible correct answers for this probability word question?

Distance of a point from a line passing through two points.

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