| HTML Entity (dec) | 臉 |
| HTML Entity (hex) | 臉 |
| UTF-8 (hex) | 0xe88789 / 0xe8 0x87 0x89 (3 bytes) |
| UTF-8 (dec) | 232, 135, 137 (3 bytes) |
| UTF-16-BE (hex) | 0x81c9 / 0x81 0xc9 (2 bytes) |
| UTF-16-BE (dec) | 129, 201 (2 bytes) |
| UTF-32-BE (hex) | 0x81c9 / 0x00 0x00 0x81 0xc9 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 129, 201 (4 bytes) |
| C/C++/Java source code | "\u81c9" |
| Python source code | "\u81c9" |