143 = CXLIII
Split 143 into 100 + 40 + 3 and write each part: C (100) + XL (40) + III (3) = CXLIII.
CXLIII uses subtraction: XL = 40. 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 |
|---|---|
| 139 | CXXXIX |
| 140 | CXL |
| 141 | CXLI |
| 142 | CXLII |
| 144 | CXLIV |
| 145 | CXLV |
| 146 | CXLVI |
| 147 | CXLVII |