Talen 2799 till 2805 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2799 | = | MMDCCXCIX | = | 1000 + 1000 + 500 + 100 + 100 + 100 − 10 + 10 − 1 |
| 2800 | = | MMDCCC | = | 1000 + 1000 + 500 + 100 + 100 + 100 |
| 2801 | = | MMDCCCI | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 1 |
| 2802 | = | MMDCCCII | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 1 + 1 |
| 2803 | = | MMDCCCIII | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 1 + 1 + 1 |
| 2804 | = | MMDCCCIV | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 5 − 1 |
| 2805 | = | MMDCCCV | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 5 |