List questions from square-numbers

Published on 23 Feb 2026 - 1:20

137

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Divisor of $x^2+x+1$ can be square number?

Published on 20 Dec 2018 - 10:33

6.8k

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Can exact square roots not be found?

Published on 25 Mar 2026 - 4:36

496

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Finding elements such that none add to a perfect square

Published on 20 Mar 2026 - 2:48

105

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The number of decompositions of $2n-1$ into a difference of two squares?

Published on 25 Mar 2026 - 6:22

358

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Arrange $n$ tiles in a rectangle pattern

Published on 25 Mar 2026 - 14:00

168

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Solutions of $2^a+5^b=c^2$

Published on 02 Jan 2019 - 4:25

4.4k

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If a prime $p$ divides $n^2$ then it also divides $n$ - Is this proof correct?

Published on 25 Mar 2026 - 14:22

96

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When can we factor $N$ efficiently with a representation $N^2=a^2+b^2$?

Published on 09 Jan 2019 - 15:49

6.1k

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How to find largest square from given sticks of n length?

Published on 10 Jan 2019 - 9:13

3.2k

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Square root of zero

Published on 13 Jan 2019 - 16:45

65

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Defining square function in $\mathbb N$ with only $+$ and the predicate "is a square"

Published on 17 Jan 2019 - 19:33

408

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Is this sufficient to prove $\sqrt{n}$ is irrational if $n$ is not a perfect square

Published on 18 Jan 2019 - 9:26

150

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Numbers that are the sum of 2 distinct nonzero squares in exactly 1 way

Published on 20 Jan 2019 - 2:34

446

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What is the value of $abc0ac$, a six digit perfect square number which is divisible by $5$ and $11$?

Published on 24 Jan 2019 - 17:13

List Question

Show that the term $xy+1$ is a perfect square.

Divisor of $x^2+x+1$ can be square number?

Can exact square roots not be found?

Finding elements such that none add to a perfect square

The number of decompositions of $2n-1$ into a difference of two squares?

Arrange $n$ tiles in a rectangle pattern

Solutions of $2^a+5^b=c^2$

If a prime $p$ divides $n^2$ then it also divides $n$ - Is this proof correct?

When can we factor $N$ efficiently with a representation $N^2=a^2+b^2$?

How to find largest square from given sticks of n length?

Square root of zero

Defining square function in $\mathbb N$ with only $+$ and the predicate "is a square"

Is this sufficient to prove $\sqrt{n}$ is irrational if $n$ is not a perfect square

Numbers that are the sum of 2 distinct nonzero squares in exactly 1 way

What is the value of $abc0ac$, a six digit perfect square number which is divisible by $5$ and $11$?

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