ninety vs large integer

ninety and large integer both are nouns.

Word	Noun	Adjective	Verb	Adverb
ninety	Yes	Yes	No	No
large integer	Yes	No	No	No

As nouns, large integer is a hypernym of ninety; that is, large integer is a word with a broader meaning than ninety:

ninety (noun)	large integer (noun)
the cardinal number that is the product of ten and nine	an integer equal to or greater than ten

ninety (adjective)	large integer (adjective)
being ten more than eighty