List questions from recreational-mathematics

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Factorial of Complex Values

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how to find taxicab numbers but for squares?

Published on 25 Jul 2014 - 3:49

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Proof of convergence of Kaprekar's Constant

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Has anyone studied this binomial like coefficients before?

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Interview puzzle with a deck of cards, some cards upside-down

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What is the Smallest Integer $N$ Where Reversing the Digits Makes $3N$?

Published on 30 Jul 2014 - 17:50

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An equation of the form A + B + C = ABC

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How many bit strings of length 15 have exactly three 0s?

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Proof involving an isosceles triangle

Published on 05 Aug 2014 - 6:16

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maximum number of independent bishops on a nxn chessboard

Published on 06 Aug 2014 - 4:09

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what is the formula for determining the next year in which a given month/day will occur on a specific weekday

Published on 06 Aug 2014 - 21:02

115

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Suppose T(k) denotes the smallest number of steps needed to move from k to 100.Find y & z such that T(9)= 1+ min (T(y),T(z)).

Published on 08 Aug 2014 - 10:55

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2048 algorithm for merging

Published on 10 Aug 2014 - 12:17

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Prove withoui calculus: the integral of 1/x is logarithmic

Published on 28 Mar 2026 - 3:01

List Question

Mathematical Intuition Behind Schizophrenic Numbers?

Factorial of Complex Values

how to find taxicab numbers but for squares?

Proof of convergence of Kaprekar's Constant

Has anyone studied this binomial like coefficients before?

Interview puzzle with a deck of cards, some cards upside-down

What is the Smallest Integer $N$ Where Reversing the Digits Makes $3N$?

An equation of the form A + B + C = ABC

How many bit strings of length 15 have exactly three 0s?

Proof involving an isosceles triangle

maximum number of independent bishops on a nxn chessboard

what is the formula for determining the next year in which a given month/day will occur on a specific weekday

Suppose T(k) denotes the smallest number of steps needed to move from k to 100.Find y & z such that T(9)= 1+ min (T(y),T(z)).

2048 algorithm for merging

Prove withoui calculus: the integral of 1/x is logarithmic

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