| HTML Entity (dec) | ９ |
| HTML Entity (hex) | ９ |
| UTF-8 (hex) | 0xefbc99 / 0xef 0xbc 0x99 (3 bytes) |
| UTF-8 (dec) | 239, 188, 153 (3 bytes) |
| UTF-16-BE (hex) | 0xff19 / 0xff 0x19 (2 bytes) |
| UTF-16-BE (dec) | 255, 25 (2 bytes) |
| UTF-32-BE (hex) | 0xff19 / 0x00 0x00 0xff 0x19 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 255, 25 (4 bytes) |
| C/C++/Java source code | "\uff19" |
| Python source code | "\uff19" |