| HTML Entity (dec) | χ |
| HTML Entity (hex) | χ |
| UTF-8 (hex) | 0xcf87 / 0xcf 0x87 (2 bytes) |
| UTF-8 (dec) | 207, 135 (2 bytes) |
| UTF-16-BE (hex) | 0x3c7 / 0x03 0xc7 (2 bytes) |
| UTF-16-BE (dec) | 3, 199 (2 bytes) |
| UTF-32-BE (hex) | 0x3c7 / 0x00 0x00 0x03 0xc7 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 3, 199 (4 bytes) |
| C/C++/Java source code | "\u03c7" |
| Python source code | "\u03c7" |