| HTML Entity (dec) | 洞 |
| HTML Entity (hex) | 洞 |
| UTF-8 (hex) | 0xefa885 / 0xef 0xa8 0x85 (3 bytes) |
| UTF-8 (dec) | 239, 168, 133 (3 bytes) |
| UTF-16-BE (hex) | 0xfa05 / 0xfa 0x05 (2 bytes) |
| UTF-16-BE (dec) | 250, 5 (2 bytes) |
| UTF-32-BE (hex) | 0xfa05 / 0x00 0x00 0xfa 0x05 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 250, 5 (4 bytes) |
| C/C++/Java source code | "\ufa05" |
| Python source code | "\ufa05" |