| Decimal | 51 |
| Binary | 110011 |
| Hexadecimal | 0x33 |
| Roman | LI |
| Square root of | 2601 |
| Factors | 17 3 |
| English | fifty-one |
| Wikipedia article about 51 | Article about 51 |
| RGB Color | #000033, |
| ASCII code for | Three |
| random from 0 to 6 | Show |
| random from 0 to 10 | Show |
| random from 0 to 100 | Show |
| random from 0 to 1000 | Show |