13.
The equivalent of 13 as a Roman numeral is XIII
XIII is the Roman numeral for the number 13
XIII
XIII
XIII
XIII
13 = XIII
The Roman numeral for the number 13 is XIII
The Roman numeral for 13 is XIII
They are: xiii or XIII = 13
The Roman numeral XIII represents the number 13 and the Roman numeral MMVI represents the number 2006 so the full date would be 13th September 2006.
It is tredecim. XIII is the Roman numeral form of 13.