Convert decimal numbers to octal format using repeated division by 8 method
Start with the decimal number
Divide the number by 8 and record quotient and remainder
Continue dividing the quotient by 8 until you get 0
The octal equivalent is remainders read in reverse order
83 ÷ 8 = 10 remainder 3
10 ÷ 8 = 1 remainder 2
1 ÷ 8 = 0 remainder 1
Reading remainders from bottom to top: 123₈
oct(83) # Returns '0o123'
format(83, 'o') # Returns '123'83.toString(8) // Returns '123'Integer.toOctalString(83) // Returns "123"File permission codes (755, 644, etc.)
Used in older computer systems
Seven-segment display coding
