| Decimal | 428 |
| Binary | 110101100 |
| Hexadecimal | 0x1ac |
| Roman | CDXXVIII |
| Dotted decimal | 0.0.1.172 |
| Square root of | 183184 |
| Factors | 107 2 2 |
| English | four hundred twenty-eight |
| Wikipedia Article about 428 | Wikipedia Article about 428 |
| RGB Color | #0001ac, |
| random from 1 to 6 | Show |
| random from 1 to 10 | Show |
| random from 1 to 100 | Show |
| random from 1 to 1000 | Show |