| HTML Entity (dec) | Ｘ |
| HTML Entity (hex) | Ｘ |
| UTF-8 (hex) | 0xefbcb8 / 0xef 0xbc 0xb8 (3 bytes) |
| UTF-8 (dec) | 239, 188, 184 (3 bytes) |
| UTF-16-BE (hex) | 0xff38 / 0xff 0x38 (2 bytes) |
| UTF-16-BE (dec) | 255, 56 (2 bytes) |
| UTF-32-BE (hex) | 0xff38 / 0x00 0x00 0xff 0x38 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 255, 56 (4 bytes) |
| C/C++/Java source code | "\uff38" |
| Python source code | "\uff38" |