| HTML Entity (dec) | ⬀ |
| HTML Entity (hex) | ⬀ |
| UTF-8 (hex) | 0xe2ac80 / 0xe2 0xac 0x80 (3 bytes) |
| UTF-8 (dec) | 226, 172, 128 (3 bytes) |
| UTF-16-BE (hex) | 0x2b00 / 0x2b 0x00 (2 bytes) |
| UTF-16-BE (dec) | 43, 0 (2 bytes) |
| UTF-32-BE (hex) | 0x2b00 / 0x00 0x00 0x2b 0x00 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 43, 0 (4 bytes) |
| C/C++/Java source code | "\u2b00" |
| Python source code | "\u2b00" |