In Roman numerals, M = 1000, D = 500, C = 100, L = 50, X = 10, V = 5, and I = 1. A single Roman numeral of lesser value placed before a Roman numeral of higher value means to subtract the lesser one, so CM = 900, CD = 400, XC = 90, XL = 40, IX = 9, and IV = 4, but the lesser one should be no more than one power of 10 less, meaning you do not write IC to mean 99.
So, 300 is CCC, 40 is XL, and 7 is VII, so combine them to get 347 = CCCXLVII.
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The roman numeral for 347 is CCCXLVII.
They represent: 347
You write 1533 in roman numerals like this: MDXXXIII
To write 19000 in Roman numerals, combine the Roman numerals for 1000 (M) and 9000 (IX). Therefore, 19000 in Roman numerals is written as MXCM.
To write twenty in Roman numerals, you simply write the letter X.