Talen 2617 till 2623 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2617 | = | MMDCXVII | = | 1000 + 1000 + 500 + 100 + 10 + 5 + 1 + 1 |
| 2618 | = | MMDCXVIII | = | 1000 + 1000 + 500 + 100 + 10 + 5 + 1 + 1 + 1 |
| 2619 | = | MMDCXIX | = | 1000 + 1000 + 500 + 100 + 10 + 10 − 1 |
| 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 |