Talen 2649 till 2655 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2649 | = | MMDCXLIX | = | 1000 + 1000 + 500 + 100 + 50 − 10 + 10 − 1 |
| 2650 | = | MMDCL | = | 1000 + 1000 + 500 + 100 + 50 |
| 2651 | = | MMDCLI | = | 1000 + 1000 + 500 + 100 + 50 + 1 |
| 2652 | = | MMDCLII | = | 1000 + 1000 + 500 + 100 + 50 + 1 + 1 |
| 2653 | = | MMDCLIII | = | 1000 + 1000 + 500 + 100 + 50 + 1 + 1 + 1 |
| 2654 | = | MMDCLIV | = | 1000 + 1000 + 500 + 100 + 50 + 5 − 1 |
| 2655 | = | MMDCLV | = | 1000 + 1000 + 500 + 100 + 50 + 5 |