þversumma
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Icelandic[edit]
Etymology[edit]
From þver- (“cross-, intersecting”) + summa (“sum”).
| Examples |
|---|
|
The digit sum of 1981 is 1 + 9 + 8 + 1 = 19 |
Noun[edit]
þversumma f (genitive singular þversummu, nominative plural þversummur)
- (mathematics) a digit sum, a transverse sum; (the sum of all the digits of an integer)
Declension[edit]
declension of þversumma
| f-w1 | singular | plural | ||
|---|---|---|---|---|
| indefinite | definite | indefinite | definite | |
| nominative | þversumma | þversumman | þversummur | þversummurnar |
| accusative | þversummu | þversummuna | þversummur | þversummurnar |
| dative | þversummu | þversummunni | þversummum | þversummunum |
| genitive | þversummu | þversummunnar | þversumma | þversummanna |