🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийالعربيةفارسی한국어中文日本語EntityQ282327· pop 25· linked from 34 articlesVon Mangoldt functionFunction on an integer n which is log(p) if n equals p^k; zero otherwiseAvailable in 25 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBulgarianConnectionsarithmetic functionEntityGermanyCountryCategoriesArithmetic functions