Length
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Time
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Gram
A Roman numeral is any of the symbols used in a system of numerical notation based on the ancient Roman system. The symbols are I, V, X, L, C, D, and M, standing respectively for 1, 5, 10, 50, 100, 500, and 1,000 in the Hindu-Arabic numeral system.
Number to Roman
Roman to Number
Number
Roman Numeral
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decimal
binary
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