🌐EnglishEnglishDeutschEspañolFrançaisItalianoTiếng ViệtTürkçeРусскийالعربية한국어中文日本語EntityQ4115573· pop 17· linked from 11 articlessophomore's dreammathematical constant discovered by Johann BernoulliAvailable in 17 languagesEspañolFrançaisDeutsch中文日本語РусскийItalianoالعربيةAlbanianBosnianConnectionsOn-Line Encyclopedia of Integer SequencesEntityInternational Standard Book NumberEntityCategoriesIntegralsMathematical constants