罗马数字 491到540
491到540完整列表：
| 数字 | 罗马数字 |
|---|---|
| 491 | CDXCI |
| 492 | CDXCII |
| 493 | CDXCIII |
| 494 | CDXCIV |
| 495 | CDXCV |
| 496 | CDXCVI |
| 497 | CDXCVII |
| 498 | CDXCVIII |
| 499 | CDXCIX |
| 500 | D |
| 501 | DI |
| 502 | DII |
| 503 | DIII |
| 504 | DIV |
| 505 | DV |
| 506 | DVI |
| 507 | DVII |
| 508 | DVIII |
| 509 | DIX |
| 510 | DX |
| 511 | DXI |
| 512 | DXII |
| 513 | DXIII |
| 514 | DXIV |
| 515 | DXV |
| 516 | DXVI |
| 517 | DXVII |
| 518 | DXVIII |
| 519 | DXIX |
| 520 | DXX |
| 521 | DXXI |
| 522 | DXXII |
| 523 | DXXIII |
| 524 | DXXIV |
| 525 | DXXV |
| 526 | DXXVI |
| 527 | DXXVII |
| 528 | DXXVIII |
| 529 | DXXIX |
| 530 | DXXX |
| 531 | DXXXI |
| 532 | DXXXII |
| 533 | DXXXIII |
| 534 | DXXXIV |
| 535 | DXXXV |
| 536 | DXXXVI |
| 537 | DXXXVII |
| 538 | DXXXVIII |
| 539 | DXXXIX |
| 540 | DXL |