Talen 2551 till 2557 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2551 | = | MMDLI | = | 1000 + 1000 + 500 + 50 + 1 |
| 2552 | = | MMDLII | = | 1000 + 1000 + 500 + 50 + 1 + 1 |
| 2553 | = | MMDLIII | = | 1000 + 1000 + 500 + 50 + 1 + 1 + 1 |
| 2554 | = | MMDLIV | = | 1000 + 1000 + 500 + 50 + 5 − 1 |
| 2555 | = | MMDLV | = | 1000 + 1000 + 500 + 50 + 5 |
| 2556 | = | MMDLVI | = | 1000 + 1000 + 500 + 50 + 5 + 1 |
| 2557 | = | MMDLVII | = | 1000 + 1000 + 500 + 50 + 5 + 1 + 1 |