twenty-six vs 26

twenty-six and 26 both are nouns.

Word	Noun	Adjective	Verb	Adverb
twenty-six	Yes	Yes	No	No
26	Yes	Yes	No	No

As adjectives, twenty-six and 26 are synonyms defined as:

Other synonyms of twenty-six include xxvi.

As nouns, twenty-six and 26 are synonyms defined as:

twenty-six and 26: the cardinal number that is the sum of twenty-five and one

Other synonyms of twenty-six include XXVI.

twenty-six (noun)	26 (noun)
the cardinal number that is the sum of twenty-five and one	the cardinal number that is the sum of twenty-five and one

twenty-six (adjective)	26 (adjective)
being six more than twenty	being six more than twenty