| HTML Entity (dec) | 一 |
| HTML Entity (hex) | 一 |
| UTF-8 (hex) | 0xe4b880 / 0xe4 0xb8 0x80 (3 bytes) |
| UTF-8 (dec) | 228, 184, 128 (3 bytes) |
| UTF-16-BE (hex) | 0x4e00 / 0x4e 0x00 (2 bytes) |
| UTF-16-BE (dec) | 78, 0 (2 bytes) |
| UTF-32-BE (hex) | 0x4e00 / 0x00 0x00 0x4e 0x00 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 78, 0 (4 bytes) |
| C/C++/Java source code | "\u4e00" |
| Python source code | "\u4e00" |