Talen 2807 till 2813 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2807 | = | MMDCCCVII | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 5 + 1 + 1 |
| 2808 | = | MMDCCCVIII | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 5 + 1 + 1 + 1 |
| 2809 | = | MMDCCCIX | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 10 − 1 |
| 2810 | = | MMDCCCX | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 10 |
| 2811 | = | MMDCCCXI | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 10 + 1 |
| 2812 | = | MMDCCCXII | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 10 + 1 + 1 |
| 2813 | = | MMDCCCXIII | = | 1000 + 1000 + 500 + 100 + 100 + 100 + 10 + 1 + 1 + 1 |