| HTML Entity (dec) | 洞 |
| HTML Entity (hex) | 洞 |
| UTF-8 (hex) | 0xe6b49e / 0xe6 0xb4 0x9e (3 bytes) |
| UTF-8 (dec) | 230, 180, 158 (3 bytes) |
| UTF-16-BE (hex) | 0x6d1e / 0x6d 0x1e (2 bytes) |
| UTF-16-BE (dec) | 109, 30 (2 bytes) |
| UTF-32-BE (hex) | 0x6d1e / 0x00 0x00 0x6d 0x1e (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 109, 30 (4 bytes) |
| C/C++/Java source code | "\u6d1e" |
| Python source code | "\u6d1e" |