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Roman numerals pertain to any of the symbols used in the Roman numeral system comprising the letters I, V, X, L, C, D and M, with corresponding values of 1, 5, 10, 50, 100, 500 and 1,000, respectively. These base letters are used in combination with each other in writin...

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Three is expressed in Roman numerals as III. In the Roman numeral system, numbers are written with letters rather than numerals. The basic letters in the system are I for one, V for five, X for 10, L for 50, C for 100, D for 500 and M for 1000.

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The Roman numeral equivalent of the number two is II. The Roman numeral system uses letters and combinations of letters to represent numbers. Since the Roman numeral for one is "I," the number two is written "II."

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Nowadays, 1,000,000 is noted in Roman numerals by an M with a line under it. However, it used to be marked by an M with a line above it.

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In the Roman numeral system, a system that uses letters to represent numerals, I is the equivalent of one. Two is written as II, and three is equal to III. A letter cannot appear more than three times in succession.

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The Roman numeral for the number four is IV. The Roman numeral system uses combinations of letters to form numerals. The basic letters in the system are I for one, V for five, X for 10, L for 50, C for 100, D for 500 and M for 1,000.

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The Roman numeral for 6 is VI, where V represents 5 and I is 1. When a symbol of lower value appears after a larger-value symbol, the values are added to get the corresponding Arabic number. In this case, VI is 5 plus 1, or 6.