Talen 1807 till 1813 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 1807 | = | MDCCCVII | = | 1000 + 500 + 100 + 100 + 100 + 5 + 1 + 1 |
| 1808 | = | MDCCCVIII | = | 1000 + 500 + 100 + 100 + 100 + 5 + 1 + 1 + 1 |
| 1809 | = | MDCCCIX | = | 1000 + 500 + 100 + 100 + 100 + 10 − 1 |
| 1810 | = | MDCCCX | = | 1000 + 500 + 100 + 100 + 100 + 10 |
| 1811 | = | MDCCCXI | = | 1000 + 500 + 100 + 100 + 100 + 10 + 1 |
| 1812 | = | MDCCCXII | = | 1000 + 500 + 100 + 100 + 100 + 10 + 1 + 1 |
| 1813 | = | MDCCCXIII | = | 1000 + 500 + 100 + 100 + 100 + 10 + 1 + 1 + 1 |