Talen 2715 till 2721 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2715 | = | MMDCCXV | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 5 |
| 2716 | = | MMDCCXVI | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 5 + 1 |
| 2717 | = | MMDCCXVII | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 5 + 1 + 1 |
| 2718 | = | MMDCCXVIII | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 5 + 1 + 1 + 1 |
| 2719 | = | MMDCCXIX | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 10 − 1 |
| 2720 | = | MMDCCXX | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 10 |
| 2721 | = | MMDCCXXI | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 1 |