Octal
adjective
Octal is a numeral system that uses base 8 as its base. It uses digits from 0 to 7.
In octal representation, the number seventeen is written as twenty-one.

Often appears as...
- octal number system
- octal digits
Usage tips
Neutral
General
adjective
Octal is a numeral system that uses base 8 as its base. It uses digits from 0 to 7.
In octal representation, the number seventeen is written as twenty-one.

Often appears as...
- octal number system
- octal digits
Usage tips
Neutral
General
Definition 1 of 1

Understanding Base Systems
Octal is part of a family of numeral systems, including binary and decimal, which can be useful for comparisons and conversions.
When writing code, knowing how to convert between octal and other bases is crucial.
Use in Programming
In many programming languages, especially older ones, octal values are represented with a leading zero.
Being familiar with octal values can help in debugging issues related to data storage.
Technical Applications
Octal is used in UNIX file permissions, where three digits represent read, write, and execute permissions.
Using octal values can simplify the representation of complex permission settings.
Understanding Base Systems
Octal is part of a family of numeral systems, including binary and decimal, which can be useful for comparisons and conversions.
When writing code, knowing how to convert between octal and other bases is crucial.
Use in Programming
In many programming languages, especially older ones, octal values are represented with a leading zero.
Being familiar with octal values can help in debugging issues related to data storage.
Technical Applications
Octal is used in UNIX file permissions, where three digits represent read, write, and execute permissions.
Using octal values can simplify the representation of complex permission settings.
Understanding Base Systems
Octal is part of a family of numeral systems, including binary and decimal, which can be useful for comparisons and conversions.
When writing code, knowing how to convert between octal and other bases is crucial.
Use in Programming
In many programming languages, especially older ones, octal values are represented with a leading zero.
Being familiar with octal values can help in debugging issues related to data storage.
Technical Applications
Octal is used in UNIX file permissions, where three digits represent read, write, and execute permissions.
Using octal values can simplify the representation of complex permission settings.
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension