The numbers 521 to 527 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 521 | = | DXXI | = | 500 + 10 + 10 + 1 |
| 522 | = | DXXII | = | 500 + 10 + 10 + 1 + 1 |
| 523 | = | DXXIII | = | 500 + 10 + 10 + 1 + 1 + 1 |
| 524 | = | DXXIV | = | 500 + 10 + 10 + 5 − 1 |
| 525 | = | DXXV | = | 500 + 10 + 10 + 5 |
| 526 | = | DXXVI | = | 500 + 10 + 10 + 5 + 1 |
| 527 | = | DXXVII | = | 500 + 10 + 10 + 5 + 1 + 1 |