| HTML Entity (dec) | Ι |
| HTML Entity (hex) | Ι |
| UTF-8 (hex) | 0xce99 / 0xce 0x99 (2 bytes) |
| UTF-8 (dec) | 206, 153 (2 bytes) |
| UTF-16-BE (hex) | 0x399 / 0x03 0x99 (2 bytes) |
| UTF-16-BE (dec) | 3, 153 (2 bytes) |
| UTF-32-BE (hex) | 0x399 / 0x00 0x00 0x03 0x99 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 3, 153 (4 bytes) |
| C/C++/Java source code | "\u0399" |
| Python source code | "\u0399" |