| HTML Entity (dec) | 徐 |
| HTML Entity (hex) | 徐 |
| UTF-8 (hex) | 0xe5be90 / 0xe5 0xbe 0x90 (3 bytes) |
| UTF-8 (dec) | 229, 190, 144 (3 bytes) |
| UTF-16-BE (hex) | 0x5f90 / 0x5f 0x90 (2 bytes) |
| UTF-16-BE (dec) | 95, 144 (2 bytes) |
| UTF-32-BE (hex) | 0x5f90 / 0x00 0x00 0x5f 0x90 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 95, 144 (4 bytes) |
| C/C++/Java source code | "\u5f90" |
| Python source code | "\u5f90" |