| HTML Entity (dec) | 窟 | 
| HTML Entity (hex) | 窟 | 
| UTF-8 (hex) | 0xe7aa9f / 0xe7 0xaa 0x9f (3 bytes) | 
| UTF-8 (dec) | 231, 170, 159 (3 bytes) | 
| UTF-16-BE (hex) | 0x7a9f / 0x7a 0x9f (2 bytes) | 
| UTF-16-BE (dec) | 122, 159 (2 bytes) | 
| UTF-32-BE (hex) | 0x7a9f / 0x00 0x00 0x7a 0x9f (4 bytes) | 
| UTF-32-BE (dec) | 0, 0, 122, 159 (4 bytes) | 
| C/C++/Java source code | "\u7a9f" | 
| Python source code | "\u7a9f" |