Question

Can we multiply a set of positive integers with a given $N$ to make the tau function injective over that set?

score 40 · Answer 1 · 2026-03-25 11:06:45

40

Views

Can we multiply a set of positive integers with a given $N$ to make the tau function injective over that set?

Published on 25 Mar 2026 - 11:06

score 586 · Answer 2 · 2019-10-05 13:45:53

586

Views

Find the number of factors in the expression $12^5\cdot 13^{15}\cdot 5^{10}$

Published on 05 Oct 2019 - 13:45

score 174 · Answer 3 · 2019-10-05 22:54:00

174

Views

Prime factorizations of consecutive numbers, can they both contains powers of greater than or equal to $1000$?

Published on 05 Oct 2019 - 22:54

score 617 · Answer 4 · 2019-10-06 20:18:31

617

Views

How many integers are there that are not divisible by any prime larger than 20 and not divisible by the square of any prime?

Published on 06 Oct 2019 - 20:18

score 197 · Answer 5 · 2019-10-07 23:16:12

197

Views

Prime numbers and prime factorization

Published on 07 Oct 2019 - 23:16

score 46 · Answer 6 · 2019-10-10 09:11:34

46

Views

On the co-primality of bracelet-type numbers

Published on 10 Oct 2019 - 9:11

score 309 · Answer 7 · 2019-10-12 13:21:18

309

Views

Can I accelerate the trial division because of the large exponents?

Published on 12 Oct 2019 - 13:21

score 105 · Answer 8 · 2019-10-13 05:51:59

105

Views

How often do tetrations appear in this sequence of prime factorizations?

Published on 13 Oct 2019 - 5:51

score 202 · Answer 9 · 2019-10-14 19:38:04

202

Views

How can 'cyclical alignment' problems be solved?

Published on 14 Oct 2019 - 19:38

score 126 · Answer 10 · 2019-10-15 23:15:33

126

Views

The proof of $(n+1)!(n+2)!$ divides $(2n+2)!$ for any positive integer $n$

Published on 15 Oct 2019 - 23:15

score 76 · Answer 11 · 2019-10-20 16:56:54

76

Views

Fibonacci number in product of prime form

Published on 20 Oct 2019 - 16:56

score 138 · Answer 12 · 2019-10-21 03:55:51

138

Views

Basic Number Theory Inequality assuming Bertrand's postulate false for some n.

Published on 21 Oct 2019 - 3:55

score 135 · Answer 13 · 2019-10-26 02:04:29

135

Views

Are there integer solutions for $y$ when $y^2 = x^3 +0x + 7$?

Published on 26 Oct 2019 - 2:04

score 336 · Answer 14 · 2019-10-27 20:20:24

336

Views

Power of prime in prime factorization of a factorial.

Published on 27 Oct 2019 - 20:20

score 91 · Answer 15 · 2019-10-28 01:58:49

91

Views

Factoring $F_{1001}$

Published on 28 Oct 2019 - 1:58

List Question

Can we multiply a set of positive integers with a given $N$ to make the tau function injective over that set?

Find the number of factors in the expression $12^5\cdot 13^{15}\cdot 5^{10}$

Prime factorizations of consecutive numbers, can they both contains powers of greater than or equal to $1000$?

How many integers are there that are not divisible by any prime larger than 20 and not divisible by the square of any prime?

Prime numbers and prime factorization

On the co-primality of bracelet-type numbers

Can I accelerate the trial division because of the large exponents?

How often do tetrations appear in this sequence of prime factorizations?

How can 'cyclical alignment' problems be solved?

The proof of $(n+1)!(n+2)!$ divides $(2n+2)!$ for any positive integer $n$

Fibonacci number in product of prime form

Basic Number Theory Inequality assuming Bertrand's postulate false for some n.

Are there integer solutions for $y$ when $y^2 = x^3 +0x + 7$?

Power of prime in prime factorization of a factorial.

Factoring $F_{1001}$

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