Question

Avoidance of patterns $\underbrace{0... 0 ...0}_{k^{*}\text{ times}}1$ of last digits in squares

score 53 · Answer 1 · 2018-08-31 14:58:08

53

Views

Avoidance of patterns $\underbrace{0... 0 ...0}_{k^{*}\text{ times}}1$ of last digits in squares

Published on 31 Aug 2018 - 14:58

score 199 · Answer 2 · 2018-09-09 10:54:30

199

Views

Find values for which the given expression is a perfect square

Published on 09 Sep 2018 - 10:54

score 164 · Answer 3 · 2026-03-25 12:48:53

164

Views

Prove that an odd square cannot be a pseudoprime with both base 2 and base 3

Published on 25 Mar 2026 - 12:48

score 91 · Answer 4 · 2026-03-25 04:41:22

91

Views

History of square root of a matrix

Published on 25 Mar 2026 - 4:41

score 341 · Answer 5 · 2018-09-20 10:23:00

341

Views

Find all the positive integers k for which $7 \times 2^k+1$ is a perfect square

Published on 20 Sep 2018 - 10:23

score 213 · Answer 6 · 2018-09-30 08:54:39

213

Views

Only $1$ and $4900$ are squares as $1+4+9+\ldots+ n^2$

Published on 30 Sep 2018 - 8:54

score 52 · Answer 7 · 2018-10-10 03:11:51

52

Views

Square root of two positive integers less than or equal to the sum of both integers direct proof

Published on 10 Oct 2018 - 3:11

score 86 · Answer 8 · 2018-10-10 17:54:40

86

Views

Perfect squares with algebra

Published on 10 Oct 2018 - 17:54

score 1.2k · Answer 9 · 2018-10-18 02:56:37

1.2k

Views

Find all pairs of positive integers $(a,b)$ such that $2^a+5^b$ is a perfect square.

Published on 18 Oct 2018 - 2:56

score 801 · Answer 10 · 2026-03-25 09:22:54

801

Views

Perfectly Repeating Square Grid on a Hexagonal Tile Base

Published on 25 Mar 2026 - 9:22

score 162 · Answer 11 · 2018-10-19 19:30:30

162

Views

Perfect square or cube

Published on 19 Oct 2018 - 19:30

score 89 · Answer 12 · 2018-10-20 21:22:09

89

Views

Does a factorial always differ by a square from a square?

Published on 20 Oct 2018 - 21:22

score 309 · Answer 13 · 2018-10-21 23:52:13

309

Views

Three-Digit Square Containing Numbers $1-9$

Published on 21 Oct 2018 - 23:52

score 501 · Answer 14 · 2018-10-22 00:28:58

501

Views

Three Digit Square w/ Numbers 1-9

Published on 22 Oct 2018 - 0:28

score 30 · Answer 15 · 2018-10-23 21:28:36

30

Views

Quick algorithm to find the first $n$ integers that can be expressed as a summation and as a perfect square... how does it work?

Published on 23 Oct 2018 - 21:28

List Question

Avoidance of patterns $\underbrace{0... 0 ...0}_{k^{*}\text{ times}}1$ of last digits in squares

Find values for which the given expression is a perfect square

Prove that an odd square cannot be a pseudoprime with both base 2 and base 3

History of square root of a matrix

Find all the positive integers k for which $7 \times 2^k+1$ is a perfect square

Only $1$ and $4900$ are squares as $1+4+9+\ldots+ n^2$

Square root of two positive integers less than or equal to the sum of both integers direct proof

Perfect squares with algebra

Find all pairs of positive integers $(a,b)$ such that $2^a+5^b$ is a perfect square.

Perfectly Repeating Square Grid on a Hexagonal Tile Base

Perfect square or cube

Does a factorial always differ by a square from a square?

Three-Digit Square Containing Numbers $1-9$

Three Digit Square w/ Numbers 1-9

Quick algorithm to find the first $n$ integers that can be expressed as a summation and as a perfect square... how does it work?

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