| HTML Entity (dec) | 书 |
| HTML Entity (hex) | 书 |
| UTF-8 (hex) | 0xe4b9a6 / 0xe4 0xb9 0xa6 (3 bytes) |
| UTF-8 (dec) | 228, 185, 166 (3 bytes) |
| UTF-16-BE (hex) | 0x4e66 / 0x4e 0x66 (2 bytes) |
| UTF-16-BE (dec) | 78, 102 (2 bytes) |
| UTF-32-BE (hex) | 0x4e66 / 0x00 0x00 0x4e 0x66 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 78, 102 (4 bytes) |
| C/C++/Java source code | "\u4e66" |
| Python source code | "\u4e66" |