¬
Negation
ExtendedASCII 172 | Hex 0xAC | U+00AC
ASCII Code
Decimal
172
Hexadecimal
0xAC
Octal
254
Binary
1010 1100
How to Type
Windows Alt CodeAlt + 172
HTML Entity
¬
Unicode InputU+00AC
Character in Different Encodings
| Encoding | Code | Symbol | Name |
|---|---|---|---|
| Code page 437 | 172 | ¼ | Fraction one quarter |
| ISO-8859-1 | 172 | ¬ | Negation |
| ISO-8859-2 | 172 | Ź | Latin capital letter Z with acute |
| ISO-8859-3 | 172 | Ĵ | Latin capital letter J with circumflex |
| ISO-8859-4 | 172 | Ŧ | Latin capital letter T with stroke |
| ISO-8859-5 | 172 | Ќ | Cyrillic capital letter Kje |
| ISO-8859-6 | 172 | ، | Arabic comma |
| ISO-8859-7 | 172 | ¬ | Negation |
| ISO-8859-8 | 172 | ¬ | Negation |
| ISO-8859-9 | 172 | ¬ | Negation |
| ISO-8859-10 | 172 | Ž | Latin capital letter Z with caron |
| ISO-8859-11 | 172 | ฌ | Thai character Cho Choe |
| Windows-1250 | 172 | ¬ | Negation |
| Windows-1251 | 172 | ¬ | Negation |
| Windows-1252 | 172 | ¬ | Negation |
| Windows-1253 | 172 | ¬ | Negation |
| Windows-1254 | 172 | ¬ | Negation |
| Windows-1255 | 172 | ¬ | Negation |
| Windows-1256 | 172 | ¬ | Negation |
| Windows-1257 | 172 | ¬ | Negation |
| Windows-1258 | 172 | ¬ | Negation |
Frequently Asked Questions
What is ASCII code 172?
ASCII code 172 represents the Negation character. In hexadecimal it is 0xAC, in binary 1010 1100, and in octal 254. This is an extended ASCII character whose meaning varies by encoding.
How do I type ASCII 172 on a keyboard?
On Windows, hold Alt and type 172 on the numeric keypad. On Mac, you can use the Character Viewer (Edit > Emoji & Symbols). In HTML, use the entity ¬ or ¬.