| HTML Entity (dec) | ℁ |
| HTML Entity (hex) | ℁ |
| UTF-8 (hex) | 0xe28481 / 0xe2 0x84 0x81 (3 bytes) |
| UTF-8 (dec) | 226, 132, 129 (3 bytes) |
| UTF-16-BE (hex) | 0x2101 / 0x21 0x01 (2 bytes) |
| UTF-16-BE (dec) | 33, 1 (2 bytes) |
| UTF-32-BE (hex) | 0x2101 / 0x00 0x00 0x21 0x01 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 33, 1 (4 bytes) |
| C/C++/Java source code | "\u2101" |
| Python source code | "\u2101" |