🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ1478274· pop 25· linked from 235 articlesKaprekar numbernon-negative integer, the representation of whose square in that base can be split into two parts that add up to the original number againConnectionsbinary numeral systemEntityprime numberEntityCategoriesArithmetic dynamicsBase-dependent integer sequencesDiophantine equationsIndian inventionsNumber theory