| HTML Entity (dec) | 要 |
| HTML Entity (hex) | 要 |
| UTF-8 (hex) | 0xe8a681 / 0xe8 0xa6 0x81 (3 bytes) |
| UTF-8 (dec) | 232, 166, 129 (3 bytes) |
| UTF-16-BE (hex) | 0x8981 / 0x89 0x81 (2 bytes) |
| UTF-16-BE (dec) | 137, 129 (2 bytes) |
| UTF-32-BE (hex) | 0x8981 / 0x00 0x00 0x89 0x81 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 137, 129 (4 bytes) |
| C/C++/Java source code | "\u8981" |
| Python source code | "\u8981" |