| HTML Entity (dec) | ⇄ | 
| HTML Entity (hex) | ⇄ | 
| UTF-8 (hex) | 0xe28784 / 0xe2 0x87 0x84 (3 bytes) | 
| UTF-8 (dec) | 226, 135, 132 (3 bytes) | 
| UTF-16-BE (hex) | 0x21c4 / 0x21 0xc4 (2 bytes) | 
| UTF-16-BE (dec) | 33, 196 (2 bytes) | 
| UTF-32-BE (hex) | 0x21c4 / 0x00 0x00 0x21 0xc4 (4 bytes) | 
| UTF-32-BE (dec) | 0, 0, 33, 196 (4 bytes) | 
| C/C++/Java source code | "\u21c4" | 
| Python source code | "\u21c4" |