List questions from square-numbers

Published on 18 Mar 2019 - 17:02

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finding perfect squares solutions for the following case

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56

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Square numbers related to square root

Published on 24 Mar 2019 - 7:59

49

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Finding solutions in $\mathbb{Z}_{+}$

Published on 26 Mar 2019 - 13:54

42

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Unknown value in the modular numerator

Published on 27 Mar 2019 - 15:28

97

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$f(n)+f(m) = q^2$ always has a solution

Published on 31 Mar 2019 - 12:58

70

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If $q$ is a Fermat prime, is $\sigma(q^k)/2$ a square if $k \equiv 1 \pmod 4$?

Published on 23 Feb 2026 - 1:23

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Let $s_n$ denote the sum of the first $n$ primes. Prove that for each $n$ there exists an integer whose square lies between $s_n$ and $s_{n+1}$.

Published on 23 Feb 2026 - 3:01

282

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Does digit $6$ always lead to $\ 25921=161^2\ $?

Published on 17 Apr 2019 - 19:41

91

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Perfect squares with two variables.

Published on 19 Apr 2019 - 8:35

642

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The units digit of a perfect square is 6. What are the possible values of the tens digit?

Published on 20 Apr 2019 - 16:53

90

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Perfect squares and divisor

Published on 20 Apr 2019 - 17:01

172

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Prime numbers & perfect squares

Published on 20 Apr 2019 - 17:48

39

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Elementary Proof on Perfect Squares.

Published on 24 Apr 2019 - 2:40

176

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Showing that the congruum is divisible by 24

Published on 21 Mar 2026 - 21:36

List Question

Product of pairwise sum is perfect square

finding perfect squares solutions for the following case

Square numbers related to square root

Finding solutions in $\mathbb{Z}_{+}$

Unknown value in the modular numerator

$f(n)+f(m) = q^2$ always has a solution

If $q$ is a Fermat prime, is $\sigma(q^k)/2$ a square if $k \equiv 1 \pmod 4$?

Let $s_n$ denote the sum of the first $n$ primes. Prove that for each $n$ there exists an integer whose square lies between $s_n$ and $s_{n+1}$.

Does digit $6$ always lead to $\ 25921=161^2\ $?

Perfect squares with two variables.

The units digit of a perfect square is 6. What are the possible values of the tens digit?

Perfect squares and divisor

Prime numbers & perfect squares

Elementary Proof on Perfect Squares.

Showing that the congruum is divisible by 24

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