Talen 2538 till 2544 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2538 | = | MMDXXXVIII | = | 1000 + 1000 + 500 + 10 + 10 + 10 + 5 + 1 + 1 + 1 |
| 2539 | = | MMDXXXIX | = | 1000 + 1000 + 500 + 10 + 10 + 10 + 10 − 1 |
| 2540 | = | MMDXL | = | 1000 + 1000 + 500 + 50 − 10 |
| 2541 | = | MMDXLI | = | 1000 + 1000 + 500 + 50 − 10 + 1 |
| 2542 | = | MMDXLII | = | 1000 + 1000 + 500 + 50 − 10 + 1 + 1 |
| 2543 | = | MMDXLIII | = | 1000 + 1000 + 500 + 50 − 10 + 1 + 1 + 1 |
| 2544 | = | MMDXLIV | = | 1000 + 1000 + 500 + 50 − 10 + 5 − 1 |