| HTML Entity (dec) | 老 |
| HTML Entity (hex) | 老 |
| UTF-8 (hex) | 0xefa4b4 / 0xef 0xa4 0xb4 (3 bytes) |
| UTF-8 (dec) | 239, 164, 180 (3 bytes) |
| UTF-16-BE (hex) | 0xf934 / 0xf9 0x34 (2 bytes) |
| UTF-16-BE (dec) | 249, 52 (2 bytes) |
| UTF-32-BE (hex) | 0xf934 / 0x00 0x00 0xf9 0x34 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 249, 52 (4 bytes) |
| C/C++/Java source code | "\uf934" |
| Python source code | "\uf934" |