Talen 3720 till 3726 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 3720 | = | MMMDCCXX | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 10 + 10 |
| 3721 | = | MMMDCCXXI | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 1 |
| 3722 | = | MMMDCCXXII | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 1 + 1 |
| 3723 | = | MMMDCCXXIII | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 1 + 1 + 1 |
| 3724 | = | MMMDCCXXIV | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 5 − 1 |
| 3725 | = | MMMDCCXXV | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 5 |
| 3726 | = | MMMDCCXXVI | = | 1000 + 1000 + 1000 + 500 + 100 + 100 + 10 + 10 + 5 + 1 |