| HTML Entity (dec) | 余 |
| HTML Entity (hex) | 余 |
| UTF-8 (hex) | 0xe4bd99 / 0xe4 0xbd 0x99 (3 bytes) |
| UTF-8 (dec) | 228, 189, 153 (3 bytes) |
| UTF-16-BE (hex) | 0x4f59 / 0x4f 0x59 (2 bytes) |
| UTF-16-BE (dec) | 79, 89 (2 bytes) |
| UTF-32-BE (hex) | 0x4f59 / 0x00 0x00 0x4f 0x59 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 79, 89 (4 bytes) |
| C/C++/Java source code | "\u4f59" |
| Python source code | "\u4f59" |