| HTML Entity (dec) | ◈ | 
| HTML Entity (hex) | ◈ | 
| UTF-8 (hex) | 0xe29788 / 0xe2 0x97 0x88 (3 bytes) | 
| UTF-8 (dec) | 226, 151, 136 (3 bytes) | 
| UTF-16-BE (hex) | 0x25c8 / 0x25 0xc8 (2 bytes) | 
| UTF-16-BE (dec) | 37, 200 (2 bytes) | 
| UTF-32-BE (hex) | 0x25c8 / 0x00 0x00 0x25 0xc8 (4 bytes) | 
| UTF-32-BE (dec) | 0, 0, 37, 200 (4 bytes) | 
| C/C++/Java source code | "\u25c8" | 
| Python source code | "\u25c8" |