Talen 2635 till 2641 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2635 | = | MMDCXXXV | = | 1000 + 1000 + 500 + 100 + 10 + 10 + 10 + 5 |
| 2636 | = | MMDCXXXVI | = | 1000 + 1000 + 500 + 100 + 10 + 10 + 10 + 5 + 1 |
| 2637 | = | MMDCXXXVII | = | 1000 + 1000 + 500 + 100 + 10 + 10 + 10 + 5 + 1 + 1 |
| 2638 | = | MMDCXXXVIII | = | 1000 + 1000 + 500 + 100 + 10 + 10 + 10 + 5 + 1 + 1 + 1 |
| 2639 | = | MMDCXXXIX | = | 1000 + 1000 + 500 + 100 + 10 + 10 + 10 + 10 − 1 |
| 2640 | = | MMDCXL | = | 1000 + 1000 + 500 + 100 + 50 − 10 |
| 2641 | = | MMDCXLI | = | 1000 + 1000 + 500 + 100 + 50 − 10 + 1 |