twenty-nine vs large integer

twenty-nine and large integer both are nouns.

Word	Noun	Adjective	Verb	Adverb
twenty-nine	Yes	Yes	No	No
large integer	Yes	No	No	No

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

twenty-nine (noun)	large integer (noun)
the cardinal number that is the sum of twenty-eight and one	an integer equal to or greater than ten

twenty-nine (adjective)	large integer (adjective)
being nine more than twenty