| Decimal | 513 |
| Binary | 1000000001 |
| Hexadecimal | 0x201 |
| Roman | DXIII |
| Square root of | 263169 |
| Factors | 19 3 3 3 |
| English | five hundred thirteen |
| Wikipedia article about 513 | Article about 513 |
| RGB Color | #000201, |
| random from 0 to 6 | Show |
| random from 0 to 10 | Show |
| random from 0 to 100 | Show |
| random from 0 to 1000 | Show |