Numeral
131Roman numeral — noun any of the letters representing numbers in the Roman numerical system: I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1,000 …
132roman numeral — noun (C) a number in a system first used in ancient Rome that uses the combinations of the letters I, V, X, L, C, D, and M …