| HTML Entity (dec) | 函 |
| HTML Entity (hex) | 函 |
| UTF-8 (hex) | 0xe587bd / 0xe5 0x87 0xbd (3 bytes) |
| UTF-8 (dec) | 229, 135, 189 (3 bytes) |
| UTF-16-BE (hex) | 0x51fd / 0x51 0xfd (2 bytes) |
| UTF-16-BE (dec) | 81, 253 (2 bytes) |
| UTF-32-BE (hex) | 0x51fd / 0x00 0x00 0x51 0xfd (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 81, 253 (4 bytes) |
| C/C++/Java source code | "\u51fd" |
| Python source code | "\u51fd" |