![]() If you check the table above, you'll see that whenever a 4 or 9 appears (including 40, 90, 400, 900) that the Roman numerals are ordered in a particular way so the lesser symbol is subtracted from the one of greater value immediate afterwards. This is due to the special methods for representing 4 and 9 mentioned above. You might have noticed that the chart above only goes from 1 to 3,999. How to Represent Large Numbers in Roman Numerals Then perform the conversion on each group and combine them to get the Roman numeral equivalent: * 2,000 = MM How to Convert a Number into Roman Numeralsīecause Roman numerals are often ordered from largest to smallest, break the number you're converting up into groups of thousands, hundreds, tens, and ones, and perform the conversion on each group.įor example, if you want to convert the number 2,014 (the year freeCodeCamp was founded) into Roman numerals, break the number up as follows: 2,014 = 2,000 + 10 + 4 Just scroll through the table or use Ctrl/Cmd + f to find the value you're looking for: Number Here is a table of numbers and their Roman numeral equivalent, followed by more in-depth explanations about how to perform the conversions. Also, the numeral IX, or 9, would be read as "one less than 10" (10 - 1). The Roman numeral IV, or 4, would be read as "one less than 5" (5 - 1). But when certain symbols of lesser value are placed before another symbol, their values are subtracted.įor example, the numeral VI, or 6, would be read as "five plus one" (5 + 1), and XI, or 11, is "ten plus one" (10 + 1).īut the methods for representing 4 and 9 are special. When a symbol of equal or lesser value is placed after another symbol, their values are added. ![]() The value of a numeral is determined by its position in relation to other symbols. Here is a table of the symbols used in the Roman numeral system: 1 In this system, symbols are used to represent different numbers, with I representing 1, V representing 5, X representing 10, L representing 50, C representing 100, D representing 500, and M representing 1,000. They are used to represent numbers in the decimal system, but they are not used for mathematical operations. Roman numerals are a numerical system that originated in ancient Rome.
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