Question

Could square minus square be a square?

score 88 · Answer 1 · 2020-04-11 11:16:09

88

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Could square minus square be a square?

Published on 11 Apr 2020 - 11:16

score 356 · Answer 2 · 2026-03-25 22:10:26

356

Views

Secret pattern of irrational numbers

Published on 25 Mar 2026 - 22:10

score 52 · Answer 3 · 2020-04-17 14:13:15

52

Views

count number of a solution of an integer equation

Published on 17 Apr 2020 - 14:13

score 108 · Answer 4 · 2020-04-18 08:38:05

108

Views

Solutions to $k$ when $2^k n^2 + 2^k n + 1$ is never a perfect square.

Published on 18 Apr 2020 - 8:38

score 44 · Answer 5 · 2020-04-18 17:02:56

44

Views

How to show that $16n^2 + 16n+1 \neq m^2$ with $n, m \in \mathbb{N}$?

Published on 18 Apr 2020 - 17:02

score 209 · Answer 6 · 2020-04-20 21:33:30

Prove that there exists a positive integer $N$ such that the equation x^2 + y^2 = N has at least 2005 solutions in non-negative integers $x$ and $y$.

score 158 · Answer 7 · 2020-04-21 10:13:46

158

Views

Demonstrate that 4k + 3 cannot be perfect square

Published on 21 Apr 2020 - 10:13

score 139 · Answer 8 · 2020-04-21 23:25:09

139

Views

Highly composite numbers one less than a (prime) square

Published on 21 Apr 2020 - 23:25

score 53 · Answer 9 · 2026-03-26 05:54:36

53

Views

Question about a result on odd perfect numbers - Part II

Published on 26 Mar 2026 - 5:54

score 65 · Answer 10 · 2020-04-25 01:30:31

65

Views

Why Test for positive and negatives in a Square Root of a Squared Function?

Published on 25 Apr 2020 - 1:30

score 72 · Answer 11 · 2026-03-26 06:02:39

72

Views

An unusual pattern associated with perfect number

Published on 26 Mar 2026 - 6:02

score 31 · Answer 12 · 2020-04-25 21:18:43

31

Views

Are there non null four integers such that sum of each two is a perfect square and sum all of them also perfect square?

Published on 25 Apr 2020 - 21:18

score 36 · Answer 13 · 2020-04-27 12:33:22

36

Views

Why squaring the LHS result in the RHS having a sigma term??

Published on 27 Apr 2020 - 12:33

score 102 · Answer 14 · 2020-05-01 14:28:07

102

Views

Squaring the square root of a negative number

Published on 01 May 2020 - 14:28

score 280 · Answer 15 · 2026-03-25 18:57:51

280

Views

Which of the following numbers is a Fibonacci number; $(A) 75023$ $(B) 75024$ $(C) 75025$ $(D) 75026$?

Published on 25 Mar 2026 - 18:57

List Question

Could square minus square be a square?

Secret pattern of irrational numbers

count number of a solution of an integer equation

Solutions to $k$ when $2^k n^2 + 2^k n + 1$ is never a perfect square.

How to show that $16n^2 + 16n+1 \neq m^2$ with $n, m \in \mathbb{N}$?

Prove that there exists a positive integer $N$ such that the equation x^2 + y^2 = N has at least 2005 solutions in non-negative integers $x$ and $y$.

Demonstrate that 4k + 3 cannot be perfect square

Highly composite numbers one less than a (prime) square

Question about a result on odd perfect numbers - Part II

Why Test for positive and negatives in a Square Root of a Squared Function?

An unusual pattern associated with perfect number

Are there non null four integers such that sum of each two is a perfect square and sum all of them also perfect square?

Why squaring the LHS result in the RHS having a sigma term??

Squaring the square root of a negative number

Which of the following numbers is a Fibonacci number; $(A) 75023$ $(B) 75024$ $(C) 75025$ $(D) 75026$?

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