15th or fifteenth
"sixteenth" is an ordinal number. There is no ordinal number for an ordinal number!
Sixteenth or 16th
first
16th = sixteenth.
sixteenth.
The ordinal number before eight is 7th
13 is a cardinal number, not an ordinal number.
116 is already a cardinal number - perhaps you are looking for the ordinal number, which is one hundred and sixteenth.
The cardinal number sixteen (16) has the ordinal number sixteenth (16th). Both may be used as adjectives.
16th
It is 2553rd.
2,553rd comes before 2,554th