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Roman numeral
English
Noun
Roman numeral (plural Roman numerals)
Alternative spellings
roman numeral (US)
- Any of the letters I, V, X, L, C, D, M (or their lower-case equivalents) used to represent numbers.
Roman numerals (upper-/lower-case) | Special character | Equivalent Arabic numeral |
|---|
| I, i | Ⅰ | 1 |
| II, ii | Ⅱ | 2 |
| III, iii | Ⅲ | 3 |
| IV, iv | Ⅳ | 4 |
| V, v | Ⅴ | 5 |
| VI, vi | Ⅵ | 6 |
| VII, vii | Ⅶ | 7 |
| VIII, viii | Ⅷ | 8 |
| IX, ix | Ⅸ | 9 |
| X, x | Ⅹ | 10 |
| L, l | | 50 |
| C, c | | 100 |
| D, d | | 500 |
| M, m | | 1000 |
| ↁ | 5000 |
| ↂ | 10,000 |
Notes
- The numerals composing a number are written in decreasing order from left to right (but see note 3).
- The values of the numerals making up a number are summed to determine the value of the number (but see note 3).
- When a smaller numeral immediately precedes a larger one (which is usually the next largest numeral), the smaller is subtracted from the larger (eg, IX stands for 10 − 1, or 9).
- A numeral with a macron over it stands for 1000 times the numeral without the macron.
- The lower-case numerals are often used to number the pages of introductory chapters of books.
Translations
- Catalan: xifra romana f, número romano m
- Chinese: 罗马数字
- Dutch: Romeins cijfer n
- Finnish: roomalainen numero
- French: chiffre romain m
- German: römische Ziffer f
- Italian: numero romano m
- Swedish: romersk siffra c
See also
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