| HTML Entity (dec) | σ |
| HTML Entity (hex) | σ |
| UTF-8 (hex) | 0xcf83 / 0xcf 0x83 (2 bytes) |
| UTF-8 (dec) | 207, 131 (2 bytes) |
| UTF-16-BE (hex) | 0x3c3 / 0x03 0xc3 (2 bytes) |
| UTF-16-BE (dec) | 3, 195 (2 bytes) |
| UTF-32-BE (hex) | 0x3c3 / 0x00 0x00 0x03 0xc3 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 3, 195 (4 bytes) |
| C/C++/Java source code | "\u03c3" |
| Python source code | "\u03c3" |