🌐한국어EnglishDeutschFrançaisItalianoPortuguêsSvenskaРусскийالعربية한국어中文日本語EntityQ190899· pop 20· linked from 238 articles중심있는 육각수subclass of centered polygonal numberWikidata factsImage6eckszahl.pngSources (1)wikidata.orgvia Wikidata · CC0Available in 19 languagesFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةemlEsperantoConnectionsprime numberEntity300EntityCategoriesFigurate numbersInteger sequences