The numbers 2509 to 2515 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 2509 | = | MMDIX | = | 1000 + 1000 + 500 + 10 − 1 |
| 2510 | = | MMDX | = | 1000 + 1000 + 500 + 10 |
| 2511 | = | MMDXI | = | 1000 + 1000 + 500 + 10 + 1 |
| 2512 | = | MMDXII | = | 1000 + 1000 + 500 + 10 + 1 + 1 |
| 2513 | = | MMDXIII | = | 1000 + 1000 + 500 + 10 + 1 + 1 + 1 |
| 2514 | = | MMDXIV | = | 1000 + 1000 + 500 + 10 + 5 − 1 |
| 2515 | = | MMDXV | = | 1000 + 1000 + 500 + 10 + 5 |