Roman numeral | Chart & Facts | Britannica
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WEBApr 14, 2024 · Usually only three identical symbols can be used consecutively; to express numbers beginning with a 4 or a 9, a symbol is placed before one of greater value to subtract its value—e.g., IV = −1 + 5 = 4, XC = −10 + 100 = 90, and MCMLXXXIX = 1,000 −100 + 1,000 + 50 + 10 + 10 + 10 −1 +10 = 1,989.
DA: 2 PA: 53 MOZ Rank: 26