digit sum in German
digit sum in German
einstellige Quersumme
(mathematics, of a positive integer) The sum of all digits.
iterierte Quersumme
(mathematics, of a positive integer) The sum of all digits.
Quersumme
(mathematics, of a positive integer) the number obtained when repeatedly applying above described operation until arriving at a single-digit number.
Ziffernsumme
(mathematics, of a positive integer) the number obtained when repeatedly applying above described operation until arriving at a single-digit number.