| HTML Entity (dec) | ◎ |
| HTML Entity (hex) | ◎ |
| UTF-8 (hex) | 0xe2978e / 0xe2 0x97 0x8e (3 bytes) |
| UTF-8 (dec) | 226, 151, 142 (3 bytes) |
| UTF-16-BE (hex) | 0x25ce / 0x25 0xce (2 bytes) |
| UTF-16-BE (dec) | 37, 206 (2 bytes) |
| UTF-32-BE (hex) | 0x25ce / 0x00 0x00 0x25 0xce (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 37, 206 (4 bytes) |
| C/C++/Java source code | "\u25ce" |
| Python source code | "\u25ce" |