| HTML Entity (dec) | ◌ |
| HTML Entity (hex) | ◌ |
| UTF-8 (hex) | 0xe2978c / 0xe2 0x97 0x8c (3 bytes) |
| UTF-8 (dec) | 226, 151, 140 (3 bytes) |
| UTF-16-BE (hex) | 0x25cc / 0x25 0xcc (2 bytes) |
| UTF-16-BE (dec) | 37, 204 (2 bytes) |
| UTF-32-BE (hex) | 0x25cc / 0x00 0x00 0x25 0xcc (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 37, 204 (4 bytes) |
| C/C++/Java source code | "\u25cc" |
| Python source code | "\u25cc" |