The numbers 618 to 624 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 618 | = | DCXVIII | = | 500 + 100 + 10 + 5 + 1 + 1 + 1 |
| 619 | = | DCXIX | = | 500 + 100 + 10 + 10 − 1 |
| 620 | = | DCXX | = | 500 + 100 + 10 + 10 |
| 621 | = | DCXXI | = | 500 + 100 + 10 + 10 + 1 |
| 622 | = | DCXXII | = | 500 + 100 + 10 + 10 + 1 + 1 |
| 623 | = | DCXXIII | = | 500 + 100 + 10 + 10 + 1 + 1 + 1 |
| 624 | = | DCXXIV | = | 500 + 100 + 10 + 10 + 5 − 1 |