Talen 2525 till 2531 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2525 | = | MMDXXV | = | 1000 + 1000 + 500 + 10 + 10 + 5 |
| 2526 | = | MMDXXVI | = | 1000 + 1000 + 500 + 10 + 10 + 5 + 1 |
| 2527 | = | MMDXXVII | = | 1000 + 1000 + 500 + 10 + 10 + 5 + 1 + 1 |
| 2528 | = | MMDXXVIII | = | 1000 + 1000 + 500 + 10 + 10 + 5 + 1 + 1 + 1 |
| 2529 | = | MMDXXIX | = | 1000 + 1000 + 500 + 10 + 10 + 10 − 1 |
| 2530 | = | MMDXXX | = | 1000 + 1000 + 500 + 10 + 10 + 10 |
| 2531 | = | MMDXXXI | = | 1000 + 1000 + 500 + 10 + 10 + 10 + 1 |