Talen 3315 till 3321 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 3315 | = | MMMCCCXV | = | 1000 + 1000 + 1000 + 100 + 100 + 100 + 10 + 5 |
| 3316 | = | MMMCCCXVI | = | 1000 + 1000 + 1000 + 100 + 100 + 100 + 10 + 5 + 1 |
| 3317 | = | MMMCCCXVII | = | 1000 + 1000 + 1000 + 100 + 100 + 100 + 10 + 5 + 1 + 1 |
| 3318 | = | MMMCCCXVIII | = | 1000 + 1000 + 1000 + 100 + 100 + 100 + 10 + 5 + 1 + 1 + 1 |
| 3319 | = | MMMCCCXIX | = | 1000 + 1000 + 1000 + 100 + 100 + 100 + 10 + 10 − 1 |
| 3320 | = | MMMCCCXX | = | 1000 + 1000 + 1000 + 100 + 100 + 100 + 10 + 10 |
| 3321 | = | MMMCCCXXI | = | 1000 + 1000 + 1000 + 100 + 100 + 100 + 10 + 10 + 1 |