billjón

Icelandic

Icelandic numbers ^(edit)

←  1,000,000 (106)	[a], [b] ←  1,000,000,000 (109)	1012	1018  →
Cardinal: billjón     Ordinal: billjónasti     Fractional: billjónasti

Noun

billjón f (genitive singular billjónar, nominative plural billjónir)

1. trillion

Declension

Declension of billjón (feminine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	billjón	billjónin	billjónir	billjónirnar
accusative	billjón	billjónina	billjónir	billjónirnar
dative	billjón	billjóninni	billjónum	billjónunum
genitive	billjónar	billjónarinnar	billjóna	billjónanna

Usage notes

• Higher numerals (those above þúsund (“thousand”)) are treated as nouns, assuming the grammatical case required by the syntactic context and governing an associated noun in the genitive plural. Those ending in -jón such as milljón (“million”) and billjón (“trillion”) are feminine, while those ending in -arður such as milljarður (“billion”) and billjarður (“quadrillion”) are masculine. (Unlike in English, Icelandic uses the long scale for large numerals.) Multiples that involve the numbers 1 through 4 or numbers ending in 1 through 4 must have the corresponding numeral declined in the appropriate gender and case. Hence "twenty-two million men" inflects as tuttugu og tvær milljónir manna (nominative and accusative), tuttugu og tveimur milljónum manna (dative) and tuttugu og tveggja milljóna manna (genitive). (In these examples, milljón (“million”) is feminine plural and is inflected for case; tuttugu og tveir (“twenty-two”) likewise inflects for case in the feminine; while maður (“man”) assumes the genitive plural form manna in all cases.)

Further reading

• “billjón” in the Dictionary of Modern Icelandic (in Icelandic) and ISLEX (in the Nordic languages)