The numbers 538 to 544 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 538 | = | DXXXVIII | = | 500 + 10 + 10 + 10 + 5 + 1 + 1 + 1 |
| 539 | = | DXXXIX | = | 500 + 10 + 10 + 10 + 10 − 1 |
| 540 | = | DXL | = | 500 + 50 − 10 |
| 541 | = | DXLI | = | 500 + 50 − 10 + 1 |
| 542 | = | DXLII | = | 500 + 50 − 10 + 1 + 1 |
| 543 | = | DXLIII | = | 500 + 50 − 10 + 1 + 1 + 1 |
| 544 | = | DXLIV | = | 500 + 50 − 10 + 5 − 1 |