Home›1 (number)›hệ đơn phân🌐Tiếng ViệtEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیไทย한국어中文日本語EntityQ724775· pop 37· linked from 136 articleshệ đơn phânAlso known as base 1the simplest numeral system, a non-positional numeral systemWikidata factsShow 1 more factCommons categoryUnary numeralSources (1)wikidata.orgvia Wikidata · CC0Available in 36 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةbe_x_oldConnectionsemailEntitybinary numeral systemEntityCategories1 (number)Coding theoryCommons link is locally definedElementary mathematicsFormal languagesNumeral systems