The numbers 1515 to 1521 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 1515 | = | MDXV | = | 1000 + 500 + 10 + 5 |
| 1516 | = | MDXVI | = | 1000 + 500 + 10 + 5 + 1 |
| 1517 | = | MDXVII | = | 1000 + 500 + 10 + 5 + 1 + 1 |
| 1518 | = | MDXVIII | = | 1000 + 500 + 10 + 5 + 1 + 1 + 1 |
| 1519 | = | MDXIX | = | 1000 + 500 + 10 + 10 − 1 |
| 1520 | = | MDXX | = | 1000 + 500 + 10 + 10 |
| 1521 | = | MDXXI | = | 1000 + 500 + 10 + 10 + 1 |