39 = XXXIX
Split 39 into 30 + 9 and write each part: XXX (30) + IX (9) = XXXIX.
XXXIX uses subtraction: IX = 9. A smaller symbol before a larger one is subtracted.
| Symbol | I | V | X | L | C | D | M |
|---|---|---|---|---|---|---|---|
| Value | 1 | 5 | 10 | 50 | 100 | 500 | 1,000 |
Need another number? Use the Roman numeral converter (both directions).
| Number | Roman numeral |
|---|---|
| 35 | XXXV |
| 36 | XXXVI |
| 37 | XXXVII |
| 38 | XXXVIII |
| 40 | XL |
| 41 | XLI |
| 42 | XLII |
| 43 | XLIII |