| HTML Entity (dec) | Ⅸ |
| HTML Entity (hex) | Ⅸ |
| UTF-8 (hex) | 0xe285a8 / 0xe2 0x85 0xa8 (3 bytes) |
| UTF-8 (dec) | 226, 133, 168 (3 bytes) |
| UTF-16-BE (hex) | 0x2168 / 0x21 0x68 (2 bytes) |
| UTF-16-BE (dec) | 33, 104 (2 bytes) |
| UTF-32-BE (hex) | 0x2168 / 0x00 0x00 0x21 0x68 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 33, 104 (4 bytes) |
| C/C++/Java source code | "\u2168" |
| Python source code | "\u2168" |