The numbers 2399 to 2405 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 2399 | = | MMCCCXCIX | = | 1000 + 1000 + 100 + 100 + 100 + 100 − 10 + 10 − 1 |
| 2400 | = | MMCD | = | 1000 + 1000 + 500 − 100 |
| 2401 | = | MMCDI | = | 1000 + 1000 + 500 − 100 + 1 |
| 2402 | = | MMCDII | = | 1000 + 1000 + 500 − 100 + 1 + 1 |
| 2403 | = | MMCDIII | = | 1000 + 1000 + 500 − 100 + 1 + 1 + 1 |
| 2404 | = | MMCDIV | = | 1000 + 1000 + 500 − 100 + 5 − 1 |
| 2405 | = | MMCDV | = | 1000 + 1000 + 500 − 100 + 5 |