The is no Roman Numeral for:
1. Zero
2. Any decimal (0.5) or fraction (1/2) Note: The Romans had a separate system for fractions based on 12 (like a clock). The fractions were made up from dots and the letter S. S =1/2 and each dot was 1/12. Dots alone represented 1/12 (.) to 5/12 (::.) , S was 6/12, S and dots represented 7/12 (S.) to 11/12 (S::.) and I was one.
3. Any imaginary number (i)
4. Numbers past the low Millions (M with a bar over it was Million, the symbol was repeated to represent multiple millions)
The number 222 can be represented by the Roman numeral CCXXII
The Roman numeral MCMXXV represents the number 1925.
The number 27 as a Roman numeral is XXVII
The Roman numeral for the number 1973 is MCMLXXIII
The roman numeral CXCIV is the number 194.
The number 222 can be represented by the Roman numeral CCXXII
The Roman numeral MCMXXV represents the number 1925.
The number 27 as a Roman numeral is XXVII
Roman numeral MCMLXXX is the number 1980.
The roman numeral CXCIV is the number 194.
The Roman numeral for the number 1973 is MCMLXXIII
The Roman Numeral L is equivalent to the number 50.
No Roman numeral exists for zero.
That is not a valid Roman Numeral.
The number 130 is represented by the Roman numeral CXXX
It is the Roman Numeral for the number 6. It is the Roman Numeral for the number 6.
XXXI is the Roman numeral for the number 31.