␕
ASCII Code 21
In the 7-bit ASCII character set, ASCII code 21 is represented by the control character ␕ also known as the negative acknowledge.
| Symbol | ␕ | |
|---|---|---|
| Unicode Symbol | ␕ | |
| Decimal | 21 | |
| Octal | 25 | |
| Hexadecimal | 15 | |
| Binary | 0001 0101 | |
| Description | Negative Acknowledge | |
| Category | Control Characters | |
| Subcategory | Transmission control | |
| Unicode | The character is mapped in Unicode as U+0015 | |
| More information about character ␕ | ||
See also
Number fact about 21