| HTML Entity (dec) | Ω |
| HTML Entity (hex) | Ω |
| UTF-8 (hex) | 0xcea9 / 0xce 0xa9 (2 bytes) |
| UTF-8 (dec) | 206, 169 (2 bytes) |
| UTF-16-BE (hex) | 0x3a9 / 0x03 0xa9 (2 bytes) |
| UTF-16-BE (dec) | 3, 169 (2 bytes) |
| UTF-32-BE (hex) | 0x3a9 / 0x00 0x00 0x03 0xa9 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 3, 169 (4 bytes) |
| C/C++/Java source code | "\u03a9" |
| Python source code | "\u03a9" |