The numbers 1605 to 1611 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 1605 | = | MDCV | = | 1000 + 500 + 100 + 5 |
| 1606 | = | MDCVI | = | 1000 + 500 + 100 + 5 + 1 |
| 1607 | = | MDCVII | = | 1000 + 500 + 100 + 5 + 1 + 1 |
| 1608 | = | MDCVIII | = | 1000 + 500 + 100 + 5 + 1 + 1 + 1 |
| 1609 | = | MDCIX | = | 1000 + 500 + 100 + 10 − 1 |
| 1610 | = | MDCX | = | 1000 + 500 + 100 + 10 |
| 1611 | = | MDCXI | = | 1000 + 500 + 100 + 10 + 1 |