Question

Is it possible to come up with a formula for upper bound for this?

score 213 · Answer 1 · 2026-03-26 09:16:26

213

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Is it possible to come up with a formula for upper bound for this?

Published on 26 Mar 2026 - 9:16

score 170 · Answer 2 · 2021-07-07 17:51:46

170

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Conjecture about the density of primes

Published on 07 Jul 2021 - 17:51

score 306 · Answer 3 · 2021-07-19 10:38:52

306

Views

Product of primes below some number $n$

Published on 19 Jul 2021 - 10:38

score 254 · Answer 4 · 2021-08-10 08:47:46

254

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Smallest $\epsilon > 0$ for which there's always a prime between $n$ and $(1+\epsilon)n$

Published on 10 Aug 2021 - 8:47

score 198 · Answer 5 · 2021-08-13 18:10:50

198

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Gaps between primes and Pigeonhole Principle

Published on 13 Aug 2021 - 18:10

score 44 · Answer 6 · 2021-08-28 00:57:09

44

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There must exist a prime between $P_n$ and (including) $|(P_n\#)/2-2^y|$ as long as $|(P_n\#)/2-2^y| > P_n$.

Published on 28 Aug 2021 - 0:57

score 81 · Answer 7 · 2021-09-01 04:08:36

81

Views

Max gap between $(3^x⋅5^y⋅7^z)$ or $(2^w⋅3^x⋅5^y⋅7^z)$ and the closest $(3^r⋅5^s⋅7^t)$ or $(2^q⋅3^r⋅5^s⋅7^t)$?

Published on 01 Sep 2021 - 4:08

score 215 · Answer 8 · 2021-09-26 15:01:58

215

Views

How to prove than $p_{2n}-(p_{2n}\mod p_{n}) = 2p_{n}$ ? where $p_{n}$ is the $_{n}$th prime number ? (for $n$ > 1)

Published on 26 Sep 2021 - 15:01

score 859 · Answer 9 · 2026-03-26 21:25:42

859

Views

A formula that counts exactly the twin prime averages occuring in an interval $[a,b]$ is surprisingly succinct!

Published on 26 Mar 2026 - 21:25

score 87 · Answer 10 · 2021-11-19 00:54:55

87

Views

I am trying to find the maximum gap between any prime and the nearest prime (whether smaller or bigger)?

Published on 19 Nov 2021 - 0:54

score 85 · Answer 11 · 2021-11-28 22:23:50

85

Views

what sort of proof did Chebyshev use to prove Bertrand's conjecture?

Published on 28 Nov 2021 - 22:23

score 87 · Answer 12 · 2021-12-06 22:54:32

87

Views

What is the proper name for the "second ratio" of a prime number (meaning the second difference / second sum)?

Published on 06 Dec 2021 - 22:54

score 314 · Answer 13 · 2022-01-22 20:36:11

314

Views

What does Cramer's model say?

Published on 22 Jan 2022 - 20:36

score 499 · Answer 14 · 2022-02-01 15:15:18

499

Views

Definition of Prime Triplet & Prime Triple

Published on 01 Feb 2022 - 15:15

score 137 · Answer 15 · 2022-02-03 18:04:51

137

Views

Conjecture: between any two consecutive squares, there are integers matching each of $2p, 3p,$ and $4p$; also, more terms with higher degrees

Published on 03 Feb 2022 - 18:04

List Question

Is it possible to come up with a formula for upper bound for this?

Conjecture about the density of primes

Product of primes below some number $n$

Smallest $\epsilon > 0$ for which there's always a prime between $n$ and $(1+\epsilon)n$

Gaps between primes and Pigeonhole Principle

There must exist a prime between $P_n$ and (including) $|(P_n\#)/2-2^y|$ as long as $|(P_n\#)/2-2^y| > P_n$.

Max gap between $(3^x⋅5^y⋅7^z)$ or $(2^w⋅3^x⋅5^y⋅7^z)$ and the closest $(3^r⋅5^s⋅7^t)$ or $(2^q⋅3^r⋅5^s⋅7^t)$?

How to prove than $p_{2n}-(p_{2n}\mod p_{n}) = 2p_{n}$ ? where $p_{n}$ is the $_{n}$th prime number ? (for $n$ > 1)

A formula that counts exactly the twin prime averages occuring in an interval $[a,b]$ is surprisingly succinct!

I am trying to find the maximum gap between any prime and the nearest prime (whether smaller or bigger)?

what sort of proof did Chebyshev use to prove Bertrand's conjecture?

What is the proper name for the "second ratio" of a prime number (meaning the second difference / second sum)?

What does Cramer's model say?

Definition of Prime Triplet & Prime Triple

Conjecture: between any two consecutive squares, there are integers matching each of $2p, 3p,$ and $4p$; also, more terms with higher degrees

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