List questions from square-numbers

Published on 22 Mar 2026 - 4:16

200

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Prove that $24n+5$ can't be a perfect square with $n \in \Bbb Z^+$

Published on 15 Apr 2018 - 0:51

58

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Inconsistencies involved in when representing square root and square

Published on 15 Apr 2018 - 19:55

192

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Prove that $\frac{m!}{200}\neq50x^2+51x+13$ and is my working correct?

Published on 20 Apr 2018 - 19:19

78

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$p+\sqrt{q}=r+\sqrt{s} \qquad p, q, r, s \in \mathbb{Q}$

Published on 22 Apr 2018 - 16:41

66

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How To find the 1991-th number of this series

Published on 24 Apr 2018 - 9:44

1.8k

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The sum of two numbers a and b is ${\sqrt 18}$ and their difference is ${\sqrt 14}$ . How do I find ${\log_ba}$?

Published on 24 Apr 2018 - 16:05

663

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Prove that a square number doesn't end in 2 odd digits.

Published on 25 Apr 2018 - 6:36

8.2k

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How to simplify $\log_7\log_7\sqrt{7\sqrt{7\sqrt{7}}}$

Published on 27 Apr 2018 - 16:30

91

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Any interesting properties of $\sqrt{\sqrt{100x+1}-1}=y$

Published on 28 Apr 2018 - 22:51

104

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$(180+n)\cdot n$ is a perfect square

Published on 29 Apr 2018 - 18:03

243

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Irrational number and real number definition

Published on 02 May 2018 - 4:32

190

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Find smallest integer $n$ so that $\sqrt{\frac{1^2+2^2+3^2+...+n^2}n}$ is an integer

Published on 02 May 2018 - 12:52

863

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A conjecture concerning the number of divisors and the sum of divisors.

Published on 23 Mar 2026 - 2:51

80

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Confirmation of Proof: $\pi_n + p_a + p_b \geqslant \sum_{i=1}^4 x_i$.

Published on 09 May 2018 - 1:11

List Question

Fibonacci numbers and perfect squares

Prove that $24n+5$ can't be a perfect square with $n \in \Bbb Z^+$

Inconsistencies involved in when representing square root and square

Prove that $\frac{m!}{200}\neq50x^2+51x+13$ and is my working correct?

$p+\sqrt{q}=r+\sqrt{s} \qquad p, q, r, s \in \mathbb{Q}$

How To find the 1991-th number of this series

The sum of two numbers a and b is ${\sqrt 18}$ and their difference is ${\sqrt 14}$ . How do I find ${\log_ba}$?

Prove that a square number doesn't end in 2 odd digits.

How to simplify $\log_7\log_7\sqrt{7\sqrt{7\sqrt{7}}}$

Any interesting properties of $\sqrt{\sqrt{100x+1}-1}=y$

$(180+n)\cdot n$ is a perfect square

Irrational number and real number definition

Find smallest integer $n$ so that $\sqrt{\frac{1^2+2^2+3^2+...+n^2}n}$ is an integer

A conjecture concerning the number of divisors and the sum of divisors.

Confirmation of Proof: $\pi_n + p_a + p_b \geqslant \sum_{i=1}^4 x_i$.

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