twenty-nine vs 29

twenty-nine and 29 both are nouns.

Word	Noun	Adjective	Verb	Adverb
twenty-nine	Yes	Yes	No	No
29	Yes	Yes	No	No

As adjectives, twenty-nine and 29 are synonyms defined as:

Other synonyms of twenty-nine include xxix.

As nouns, twenty-nine and 29 are synonyms defined as:

twenty-nine and 29: the cardinal number that is the sum of twenty-eight and one

Other synonyms of twenty-nine include XXIX.

twenty-nine (noun)	29 (noun)
the cardinal number that is the sum of twenty-eight and one	the cardinal number that is the sum of twenty-eight and one

twenty-nine (adjective)	29 (adjective)
being nine more than twenty	being nine more than twenty