The numbers 720 to 726 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 720 | = | DCCXX | = | 500 + 100 + 100 + 10 + 10 |
| 721 | = | DCCXXI | = | 500 + 100 + 100 + 10 + 10 + 1 |
| 722 | = | DCCXXII | = | 500 + 100 + 100 + 10 + 10 + 1 + 1 |
| 723 | = | DCCXXIII | = | 500 + 100 + 100 + 10 + 10 + 1 + 1 + 1 |
| 724 | = | DCCXXIV | = | 500 + 100 + 100 + 10 + 10 + 5 − 1 |
| 725 | = | DCCXXV | = | 500 + 100 + 100 + 10 + 10 + 5 |
| 726 | = | DCCXXVI | = | 500 + 100 + 100 + 10 + 10 + 5 + 1 |