The numbers 1609 to 1615 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 1609 | = | MDCIX | = | 1000 + 500 + 100 + 10 − 1 |
| 1610 | = | MDCX | = | 1000 + 500 + 100 + 10 |
| 1611 | = | MDCXI | = | 1000 + 500 + 100 + 10 + 1 |
| 1612 | = | MDCXII | = | 1000 + 500 + 100 + 10 + 1 + 1 |
| 1613 | = | MDCXIII | = | 1000 + 500 + 100 + 10 + 1 + 1 + 1 |
| 1614 | = | MDCXIV | = | 1000 + 500 + 100 + 10 + 5 − 1 |
| 1615 | = | MDCXV | = | 1000 + 500 + 100 + 10 + 5 |