| HTML Entity (dec) | Ａ |
| HTML Entity (hex) | Ａ |
| UTF-8 (hex) | 0xefbca1 / 0xef 0xbc 0xa1 (3 bytes) |
| UTF-8 (dec) | 239, 188, 161 (3 bytes) |
| UTF-16-BE (hex) | 0xff21 / 0xff 0x21 (2 bytes) |
| UTF-16-BE (dec) | 255, 33 (2 bytes) |
| UTF-32-BE (hex) | 0xff21 / 0x00 0x00 0xff 0x21 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 255, 33 (4 bytes) |
| C/C++/Java source code | "\uff21" |
| Python source code | "\uff21" |