Talen 2620 till 2626 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2620 | = | MMDCXX | = | 1000 + 1000 + 500 + 100 + 10 + 10 |
| 2621 | = | MMDCXXI | = | 1000 + 1000 + 500 + 100 + 10 + 10 + 1 |
| 2622 | = | MMDCXXII | = | 1000 + 1000 + 500 + 100 + 10 + 10 + 1 + 1 |
| 2623 | = | MMDCXXIII | = | 1000 + 1000 + 500 + 100 + 10 + 10 + 1 + 1 + 1 |
| 2624 | = | MMDCXXIV | = | 1000 + 1000 + 500 + 100 + 10 + 10 + 5 − 1 |
| 2625 | = | MMDCXXV | = | 1000 + 1000 + 500 + 100 + 10 + 10 + 5 |
| 2626 | = | MMDCXXVI | = | 1000 + 1000 + 500 + 100 + 10 + 10 + 5 + 1 |