| HTML Entity (dec) | ♤ |
| HTML Entity (hex) | ♤ |
| UTF-8 (hex) | 0xe299a4 / 0xe2 0x99 0xa4 (3 bytes) |
| UTF-8 (dec) | 226, 153, 164 (3 bytes) |
| UTF-16-BE (hex) | 0x2664 / 0x26 0x64 (2 bytes) |
| UTF-16-BE (dec) | 38, 100 (2 bytes) |
| UTF-32-BE (hex) | 0x2664 / 0x00 0x00 0x26 0x64 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 38, 100 (4 bytes) |
| C/C++/Java source code | "\u2664" |
| Python source code | "\u2664" |