🌐EnglishEnglishDeutschFrançaisNederlandsالعربية中文日本語EntityQ780763· pop 7· linked from 10 articles15 and 290 theoremstheoremAvailable in 7 languagesFrançaisDeutsch中文日本語العربيةNederlandsvia Wikidata sitelinks · CC0ConnectionsJohn Horton ConwayEntitymathematicsEntityCategoriesAdditive number theoryQuadratic formsTheorems in number theory