ordinals
or-di-nals
noun
Numbers that show the position of something in a sequence, such as first or second.
"First, second, and third are common ordinals."
Thesaurus
Synonyms: 35th, 64th, twenty-sixth, hundred-and-fifty-fifth, 32nd, quintillionth, 4th, 500th, 2nd, eighteenth, 39th, 26th
Antonyms: cardinal