Meissel–Mertens constant

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

In mathematics, the Meissel–Mertens constant, named after Ernst Meissel and Franz Mertens, also referred to as the Mertens constant, Kronecker's constant (after Leopold Kronecker), the Hadamard–de la Vallée-Poussin constant (after Jacques Hadamard and Charles Jean de la Vallée-Poussin), or the prime reciprocal constant, is a mathematical constant that arises in number theory.

Excerpt from the Wikipedia article “Meissel–Mertens constant”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: User:Dcoetzee, CC0, via Wikimedia Commons.