A base-8 number system commonly used to represent binary numbers and other numbers in a shorter form. Below is a basic chart of how a binary number is converted to an octal number.
Binary
1
1
1
1
1
1
1
1
Octal
+200
+100
+40
+20
+10
+4
+2
+1
Below are some binary examples and their octal equivalents.
