Arabic Numerals and their corresponding Roman Numerals.
| 1 | I |
| 2 | II |
| 3 | III |
| 4 | IV |
| 5 | V |
| 6 | VI |
| 7 | VII |
| 8 | VIII |
| 9 | IX |
| 10 | X |
| 11 | XI |
| 12 | XII |
| 13 | XIII |
| 14 | XIV |
| 15 | XV |
| 16 | XVI |
| 17 | XVII |
| 18 | XVIII |
| 19 | XIX |
| 20 | XX |
| 30 | XXX |
| 40 | XL |
| 42 | XLII |
| 50 | L |
| 60 | LX |
| 90 | XC |
| 100 | C |
| 200 | CC |
| 400 | CD |
| 500 | D |
| 600 | DC |
| 900 | CM |
| 1000 | M |