It is: XIII = 13
XIII is the number 13 in Roman numerals.
If you mean CLXIII then it is equivalent to 163
13 in Roman numerals is XIII
Rome is not traditionally spelled out using Roman numerals. Roman numerals are used to represent numbers in ancient Rome, not for spelling out words.
The number 13 in Roman numerals is XIII
XIII
In today's notation of Roman numerals: XIII-IX-MCMLIX
VI / XIII / MCMLXXXV
In Roman numerals 13 is XIII.
It is: 13 = XIII
It's XIII
XIII