| HTML Entity (dec) | ← |
| HTML Entity (hex) | ← |
| UTF-8 (hex) | 0xe28690 / 0xe2 0x86 0x90 (3 bytes) |
| UTF-8 (dec) | 226, 134, 144 (3 bytes) |
| UTF-16-BE (hex) | 0x2190 / 0x21 0x90 (2 bytes) |
| UTF-16-BE (dec) | 33, 144 (2 bytes) |
| UTF-32-BE (hex) | 0x2190 / 0x00 0x00 0x21 0x90 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 33, 144 (4 bytes) |
| C/C++/Java source code | "\u2190" |
| Python source code | "\u2190" |