ascii

0x15

NAK

ASCII control code 0x15 (NAK), decimal 21.

control

Quick facts

Hex: 0x15
Decimal: 21
Octal: 0o025
Binary: 0b00010101
Abbreviation: NAK
Kind: Control
Unicode name: <control>
Unicode twin: U+0015

Encodings & escapes

UTF-8
UTF-16
UTF-32
HTML decimal
HTML hex
JavaScript
Python
CSS
JSON
URL (UTF-8)
C / C++

Related

Unicode

U+0015

<control>

ASCII list

Control codes

Source

Unicode: 16.0.0
WHATWG: —