| Decimal | 255 |
| Binary | 11111111 |
| Hexadecimal | 0xff |
| Roman | CCLV |
| Square root of | 65025 |
| Factors | 17 5 3 |
| English | two hundred fifty-five |
| Wikipedia article about 255 | Article about 255 |
| RGB Color | #0000ff, |
| ASCII code for | Latin small letter y with diaeresis |
| random from 0 to 6 | Show |
| random from 0 to 10 | Show |
| random from 0 to 100 | Show |
| random from 0 to 1000 | Show |