Talen 2725 till 2731 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 2725 | = | MMDCCXXV | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 5 |
| 2726 | = | MMDCCXXVI | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 5 + 1 |
| 2727 | = | MMDCCXXVII | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 5 + 1 + 1 |
| 2728 | = | MMDCCXXVIII | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 5 + 1 + 1 + 1 |
| 2729 | = | MMDCCXXIX | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 10 − 1 |
| 2730 | = | MMDCCXXX | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 10 |
| 2731 | = | MMDCCXXXI | = | 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 10 + 1 |