Question

Every positive power of $5$ appears in the last digits of bigger power of $5$

score 281 · Answer 1 · 2026-04-11 18:57:06

281

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Every positive power of $5$ appears in the last digits of bigger power of $5$

Published on 11 Apr 2026 - 18:57

score 151 · Answer 2 · 2026-04-14 03:30:51

151

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Solution of Diophantine equation $1+rn=l^2$

Published on 14 Apr 2026 - 3:30

score 119 · Answer 3 · 2026-04-15 19:11:52

119

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Largest element in the set $\{1,\sqrt{2},\sqrt[3]{3},...,\sqrt[n]{n}\}$

Published on 15 Apr 2026 - 19:11

score 505 · Answer 4 · 2026-05-11 07:02:32

505

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Finding elements such that none add to a perfect square

Published on 11 May 2026 - 7:02

score 549 · Answer 5 · 2026-04-15 09:29:14

549

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Is the sequence , 0,1/2,0,1/3,2/3,0,1/4,2/4,3/4,0..... equidistributed?

Published on 15 Apr 2026 - 9:29

score 133 · Answer 6 · 2026-05-14 22:35:51

133

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Equidistribution of $\{p_n^2 \alpha \}$

Published on 14 May 2026 - 22:35

score 485 · Answer 7 · 2026-04-17 09:51:29

485

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Prove $x^3+3y^3+9z^3-9xyz=1$ has infinity integers solutions!

Published on 17 Apr 2026 - 9:51

score 21 · Answer 8 · 2026-05-10 23:41:56

21

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How to estimate the numbers of the integer points of $\frac{(m-1)(m-2)}{2}+k\leq N$, $a\leq\frac{k}{m}\leq b$

Published on 10 May 2026 - 23:41

score 241 · Answer 9 · 2026-04-11 14:42:27

241

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reversible modulo equation

Published on 11 Apr 2026 - 14:42

score 142 · Answer 10 · 2026-05-15 00:38:52

142

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Some Trys related to Von Mangoldt function, What is $\Lambda * \Lambda$

Published on 15 May 2026 - 0:38

score 96 · Answer 11 · 2026-04-14 07:50:11

96

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Is weight sum of Dirichlet character always an algebraic integer (up to power of $2$ and $3$)?

Published on 14 Apr 2026 - 7:50

score 42 · Answer 12 · 2026-04-14 08:36:11

42

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Divisors of a $ k $-multiperfect number

Published on 14 Apr 2026 - 8:36

score 107 · Answer 13 · 2026-05-11 03:17:08

107

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

Published on 11 May 2026 - 3:17

score 657 · Answer 14 · 2026-04-14 15:52:23

657

Views

How do you show that, for any integer, there is a triangle with side rational lengths and that integer area?

Published on 14 Apr 2026 - 15:52

score 84 · Answer 15 · 2026-04-16 17:34:09

84

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Group of order $pq$ (both primes) where $p\nmid q-1,~q\nmid p-1$

Published on 16 Apr 2026 - 17:34

List Question

Every positive power of $5$ appears in the last digits of bigger power of $5$

Solution of Diophantine equation $1+rn=l^2$

Largest element in the set $\{1,\sqrt{2},\sqrt[3]{3},...,\sqrt[n]{n}\}$

Finding elements such that none add to a perfect square

Is the sequence , 0,1/2,0,1/3,2/3,0,1/4,2/4,3/4,0..... equidistributed?

Equidistribution of $\{p_n^2 \alpha \}$

Prove $x^3+3y^3+9z^3-9xyz=1$ has infinity integers solutions!

How to estimate the numbers of the integer points of $\frac{(m-1)(m-2)}{2}+k\leq N$, $a\leq\frac{k}{m}\leq b$

reversible modulo equation

Some Trys related to Von Mangoldt function, What is $\Lambda * \Lambda$

Is weight sum of Dirichlet character always an algebraic integer (up to power of $2$ and $3$)?

Divisors of a $ k $-multiperfect number

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

How do you show that, for any integer, there is a triangle with side rational lengths and that integer area?

Group of order $pq$ (both primes) where $p\nmid q-1,~q\nmid p-1$

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