Talen 3809 till 3815 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 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 |
| 3812 | = | MMMDCCCXII | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 10 + 1 + 1 |
| 3813 | = | MMMDCCCXIII | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 10 + 1 + 1 + 1 |
| 3814 | = | MMMDCCCXIV | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 10 + 5 − 1 |
| 3815 | = | MMMDCCCXV | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 100 + 10 + 5 |