It means 18
The X is ten
The V is five
The I is one
so 10 + 5 + 1 + 1 + 1
which is 18
18. X means ten, V means 5, and each I means 1, so add it up and it equals 18.
18 written in Roman numerals is XVIII.
Xviii
The Roman numeral XVIII represents the number 18
Do you mean 3-18-1992? If so then in today's notation of Roman numerals it is: III-XVIII-MCMXCI
The date 9-18-2008 in Roman numerals is IX-XVIII-MMVIII.
18 - XVIII
If you mean xviii then it is the equivalent of 18 otherwise it is an invalid arrangement of Roman numerals.
Xviii = 18 x = 10 v = 5 i = 1
18 in roman numerals looks like XVIII
The date 11 18 1991 in Roman numerals is XI XVIII MCMXCI.
To write 18000 in Roman numerals, you would use XVIII with a line above it, indicating multiplication by 1000.
XVIII