What is Octal Number system?
- The Octal number is a number system with base 8 and digits range is from 0 to 7.
- Octal number system was used in past and now a days it is not used in modern digital systems.
- Each Octal Number digit is basically 2 3=8 and represent a 3-bit Binary Number.
- Binary Numbers and the Octal equivalents are discussed in the table below;
Table: Octal Equivalents of Binary and decimal Numbers
Counting in Octal Number System
- The maximum value that can be represented by a one single octal digit is 7 because it starts from 0 and octal means 0 to 8.
- Decimal 8 can be represented by a combination of 108.
- The subscript 8 in 108 indicates that the number is Octal.
- Some of the Octal Numbers for Decimal numbers 8 to 30 are discussed in table below;
|Table:||Octal Numbers upper than 0 to 7|
Thanks: Hopefully you are now able to understand the octal number systems