| HTML Entity (dec) | ◽ |
| HTML Entity (hex) | ◽ |
| UTF-8 (hex) | 0xe297bd / 0xe2 0x97 0xbd (3 bytes) |
| UTF-8 (dec) | 226, 151, 189 (3 bytes) |
| UTF-16-BE (hex) | 0x25fd / 0x25 0xfd (2 bytes) |
| UTF-16-BE (dec) | 37, 253 (2 bytes) |
| UTF-32-BE (hex) | 0x25fd / 0x00 0x00 0x25 0xfd (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 37, 253 (4 bytes) |
| C/C++/Java source code | "\u25fd" |
| Python source code | "\u25fd" |