Home›1 (number)›가역원🌐한국어EnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsРусскийالعربية한국어中文日本語EntityQ118084· pop 21· linked from 279 articles가역원Also known as invertible elementin mathematics, an invertible element or a unit in a ring RAvailable in 21 languagesEspañolDeutsch中文日本語РусскийPortuguêsالعربيةCatalanCzechEsperantoGalicianConnectionsringEntityintegral domainEntityCategories1 (number)Algebraic number theoryAlgebraic properties of elementsGroup theoryRing theory