| HTML Entity (dec) | 怿 |
| HTML Entity (hex) | 怿 |
| UTF-8 (hex) | 0xe680bf / 0xe6 0x80 0xbf (3 bytes) |
| UTF-8 (dec) | 230, 128, 191 (3 bytes) |
| UTF-16-BE (hex) | 0x603f / 0x60 0x3f (2 bytes) |
| UTF-16-BE (dec) | 96, 63 (2 bytes) |
| UTF-32-BE (hex) | 0x603f / 0x00 0x00 0x60 0x3f (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 96, 63 (4 bytes) |
| C/C++/Java source code | "\u603f" |
| Python source code | "\u603f" |