Talen 3805 till 3811 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 3805 | = | MMMDCCCV | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 5 |
| 3806 | = | MMMDCCCVI | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 5 + 1 |
| 3807 | = | MMMDCCCVII | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 5 + 1 + 1 |
| 3808 | = | MMMDCCCVIII | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 5 + 1 + 1 + 1 |
| 3809 | = | MMMDCCCIX | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 10 − 1 |
| 3810 | = | MMMDCCCX | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 10 |
| 3811 | = | MMMDCCCXI | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 10 + 1 |