Revision as of 23:14, 7 January 2022 edit 88.156.138.125 (talk) →{{pi}}(x), Π(x), θ(x), ψ(x) – prime-counting functions Tag: Reverted ← Previous edit		Revision as of 23:19, 7 January 2022 edit undo Sapphorain (talk \| contribs) Extended confirmed users 8,576 edits Undid revision 1064355179 by 88.156.138.125 (talk) clearer before Tag: Undo Next edit →
Line 179: :<math>\vartheta(x)=\sum_{p\le x} \log p,</math> :<math> \psi(x) = ~~\sum_{k\in N}~~\sum_{p^k\le x} \log p.</math> The Chebyshev function ''ψ''(''x'') is the summation function of the von Mangoldt function just below.

Arithmetic function: Difference between revisions