| HTML Entity (dec) | ∘ |
| HTML Entity (hex) | ∘ |
| UTF-8 (hex) | 0xe28898 / 0xe2 0x88 0x98 (3 bytes) |
| UTF-8 (dec) | 226, 136, 152 (3 bytes) |
| UTF-16-BE (hex) | 0x2218 / 0x22 0x18 (2 bytes) |
| UTF-16-BE (dec) | 34, 24 (2 bytes) |
| UTF-32-BE (hex) | 0x2218 / 0x00 0x00 0x22 0x18 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 34, 24 (4 bytes) |
| C/C++/Java source code | "\u2218" |
| Python source code | "\u2218" |