| HTML Entity (dec) | ␡ |
| HTML Entity (hex) | ␡ |
| UTF-8 (hex) | 0xe290a1 / 0xe2 0x90 0xa1 (3 bytes) |
| UTF-8 (dec) | 226, 144, 161 (3 bytes) |
| UTF-16-BE (hex) | 0x2421 / 0x24 0x21 (2 bytes) |
| UTF-16-BE (dec) | 36, 33 (2 bytes) |
| UTF-32-BE (hex) | 0x2421 / 0x00 0x00 0x24 0x21 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 36, 33 (4 bytes) |
| C/C++/Java source code | "\u2421" |
| Python source code | "\u2421" |