🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsTiếng ViệtРусскийالعربية한국어中文日本語EntityQ1146791· pop 19· linked from 34 articlesFermat polygonal number theoremtheoremConnectionsCarl Friedrich GaussEntityInternational Standard Book NumberEntityCategoriesAdditive number theoryAnalytic number theoryFigurate numbersTheorems in number theory