| HTML Entity (dec) | 古 |
| HTML Entity (hex) | 古 |
| UTF-8 (hex) | 0xe58fa4 / 0xe5 0x8f 0xa4 (3 bytes) |
| UTF-8 (dec) | 229, 143, 164 (3 bytes) |
| UTF-16-BE (hex) | 0x53e4 / 0x53 0xe4 (2 bytes) |
| UTF-16-BE (dec) | 83, 228 (2 bytes) |
| UTF-32-BE (hex) | 0x53e4 / 0x00 0x00 0x53 0xe4 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 83, 228 (4 bytes) |
| C/C++/Java source code | "\u53e4" |
| Python source code | "\u53e4" |