þversumma

Icelandic

Etymology

From þver- (cross-, intersecting) + summa (sum).

Examples

The digit sum of 1981 is 1 + 9 + 8 + 1 = 19

Noun

þversumma f (genitive singular þversummu, nominative plural þversummur)

  1. (mathematics) a digit sum, a transverse sum; (the sum of all the digits of an integer)

Declension

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