A: I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1000. Q: Why doesnt 1999 = MIM (or 99 = IC or 999 = IM or )? A: The rules for Roman numerals as I learned them include: You can only subtract a power of ten from any Roman numeral.

Furthermore, how do you decode Roman numerals? Method 1 Reading Roman Numerals

Learn the basic value of each digit. Use a mnemonic. Add numbers with larger digits first. Treat numbers with smaller digits first as subtraction. Break a number into parts to understand it. Look for a horizontal bar for very large numbers.

Also to know, what is the Roman numeral for 47392837593?

Roman Numerals Conversion Table

Number Roman Numeral 8 VIII 9 IX 10 X 11 XI
What is the Roman numerals 1 to 100?

Roman Numerals 1-100 Chart

Number Roman Numeral Calculation 97 XCVII 100-10 5 1 1 98 XCVIII 100-10 5 1 1 1 99 XCIX 100-10-1 10 100 C 100