| HTML Entity (dec) | 擴 |
| HTML Entity (hex) | 擴 |
| UTF-8 (hex) | 0xe693b4 / 0xe6 0x93 0xb4 (3 bytes) |
| UTF-8 (dec) | 230, 147, 180 (3 bytes) |
| UTF-16-BE (hex) | 0x64f4 / 0x64 0xf4 (2 bytes) |
| UTF-16-BE (dec) | 100, 244 (2 bytes) |
| UTF-32-BE (hex) | 0x64f4 / 0x00 0x00 0x64 0xf4 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 100, 244 (4 bytes) |
| C/C++/Java source code | "\u64f4" |
| Python source code | "\u64f4" |