| HTML Entity (dec) | 域 |
| HTML Entity (hex) | 域 |
| UTF-8 (hex) | 0xe59f9f / 0xe5 0x9f 0x9f (3 bytes) |
| UTF-8 (dec) | 229, 159, 159 (3 bytes) |
| UTF-16-BE (hex) | 0x57df / 0x57 0xdf (2 bytes) |
| UTF-16-BE (dec) | 87, 223 (2 bytes) |
| UTF-32-BE (hex) | 0x57df / 0x00 0x00 0x57 0xdf (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 87, 223 (4 bytes) |
| C/C++/Java source code | "\u57df" |
| Python source code | "\u57df" |