| HTML Entity (dec) | 当 |
| HTML Entity (hex) | 当 |
| UTF-8 (hex) | 0xe5bd93 / 0xe5 0xbd 0x93 (3 bytes) |
| UTF-8 (dec) | 229, 189, 147 (3 bytes) |
| UTF-16-BE (hex) | 0x5f53 / 0x5f 0x53 (2 bytes) |
| UTF-16-BE (dec) | 95, 83 (2 bytes) |
| UTF-32-BE (hex) | 0x5f53 / 0x00 0x00 0x5f 0x53 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 95, 83 (4 bytes) |
| C/C++/Java source code | "\u5f53" |
| Python source code | "\u5f53" |