| HTML Entity (dec) | Χ |
| HTML Entity (hex) | Χ |
| UTF-8 (hex) | 0xcea7 / 0xce 0xa7 (2 bytes) |
| UTF-8 (dec) | 206, 167 (2 bytes) |
| UTF-16-BE (hex) | 0x3a7 / 0x03 0xa7 (2 bytes) |
| UTF-16-BE (dec) | 3, 167 (2 bytes) |
| UTF-32-BE (hex) | 0x3a7 / 0x00 0x00 0x03 0xa7 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 3, 167 (4 bytes) |
| C/C++/Java source code | "\u03a7" |
| Python source code | "\u03a7" |