| HTML Entity (dec) | 由 |
| HTML Entity (hex) | 由 |
| UTF-8 (hex) | 0xe794b1 / 0xe7 0x94 0xb1 (3 bytes) |
| UTF-8 (dec) | 231, 148, 177 (3 bytes) |
| UTF-16-BE (hex) | 0x7531 / 0x75 0x31 (2 bytes) |
| UTF-16-BE (dec) | 117, 49 (2 bytes) |
| UTF-32-BE (hex) | 0x7531 / 0x00 0x00 0x75 0x31 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 117, 49 (4 bytes) |
| C/C++/Java source code | "\u7531" |
| Python source code | "\u7531" |