They are: xiii or XIII = 13
XIII is the Roman numeral for the number 13
XIII
XIII
XIII
XIII
13 = XIII
13 - XIII XIII XIIIX=10i=1xiii=13
The Roman numeral for 13 is 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.
III/XIII/MCMXCV