| HTML Entity (dec) | Ω |
| HTML Entity (hex) | Ω |
| UTF-8 (hex) | 0xe284a6 / 0xe2 0x84 0xa6 (3 bytes) |
| UTF-8 (dec) | 226, 132, 166 (3 bytes) |
| UTF-16-BE (hex) | 0x2126 / 0x21 0x26 (2 bytes) |
| UTF-16-BE (dec) | 33, 38 (2 bytes) |
| UTF-32-BE (hex) | 0x2126 / 0x00 0x00 0x21 0x26 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 33, 38 (4 bytes) |
| C/C++/Java source code | "\u2126" |
| Python source code | "\u2126" |