| HTML Entity (dec) | ✘ |
| HTML Entity (hex) | ✘ |
| UTF-8 (hex) | 0xe29c98 / 0xe2 0x9c 0x98 (3 bytes) |
| UTF-8 (dec) | 226, 156, 152 (3 bytes) |
| UTF-16-BE (hex) | 0x2718 / 0x27 0x18 (2 bytes) |
| UTF-16-BE (dec) | 39, 24 (2 bytes) |
| UTF-32-BE (hex) | 0x2718 / 0x00 0x00 0x27 0x18 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 39, 24 (4 bytes) |
| C/C++/Java source code | "\u2718" |
| Python source code | "\u2718" |