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
The 15th is spelled as "fifteenth." This word indicates the ordinal number that comes after the fourteenth and before the sixteenth. It can refer to a date, a position in a sequence, or a ranking.
116 is already a cardinal number - perhaps you are looking for the ordinal number, which is one hundred and sixteenth.
13 is a cardinal number, not an ordinal number.
The cardinal number sixteen (16) has the ordinal number sixteenth (16th). Both may be used as adjectives.
16th
The correct spelling is "fifteenth." It refers to the ordinal number that comes after fourteenth and before sixteenth. To write it, simply combine the word "fifteen" with the suffix “-th” to indicate its position in a sequence.