sixty-fourth vs ordinal

sixty-fourth and ordinal both are nouns.

Word	Noun	Adjective	Verb	Adverb
sixty-fourth	Yes	Yes	No	No
ordinal	Yes	Yes	No	No

sixty-fourth (noun)	ordinal (noun)
one part in sixty-four equal parts	the number designating place in an ordered sequence

sixty-fourth (adjective)	ordinal (adjective)
the ordinal number of sixty-four in counting order	being or denoting a numerical order in a series
	of or relating to a taxonomic order