| HTML Entity (dec) | ∞ |
| HTML Entity (hex) | ∞ |
| UTF-8 (hex) | 0xe2889e / 0xe2 0x88 0x9e (3 bytes) |
| UTF-8 (dec) | 226, 136, 158 (3 bytes) |
| UTF-16-BE (hex) | 0x221e / 0x22 0x1e (2 bytes) |
| UTF-16-BE (dec) | 34, 30 (2 bytes) |
| UTF-32-BE (hex) | 0x221e / 0x00 0x00 0x22 0x1e (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 34, 30 (4 bytes) |
| C/C++/Java source code | "\u221e" |
| Python source code | "\u221e" |