665 Decimal in Octal

Let's convert the decimal number 665 to octal without using a calculator:

Start by dividing 665 by 8:

665 ÷ 8 = 83 (Quotient) with a remainder of 1

Now, divide the quotient (83) by 8:

83 ÷ 8 = 10 (Quotient) with a remainder of 3

Now, divide the quotient (10) by 8:

10 ÷ 8 = 1 (Quotient) with a remainder of 2

The Quotient is less than 8 (1), so we will transfer it to the beginning of the number as a reminder.

Now, write down the remainders from the last division to the first:

1231