89 Decimal in Binary

Let's convert the decimal number 89 to binary without using a calculator:

Start by dividing 89 by 2:

89 ÷ 2 = 44 (Quotient) with a remainder of 1

Now, divide the quotient (44) by 2:

44 ÷ 2 = 22 (Quotient) with a remainder of 0

Now, divide the quotient (22) by 2:

22 ÷ 2 = 11 (Quotient) with a remainder of 0

Now, divide the quotient (11) by 2:

11 ÷ 2 = 5 (Quotient) with a remainder of 1

Now, divide the quotient (5) by 2:

5 ÷ 2 = 2 (Quotient) with a remainder of 1

Now, divide the quotient (2) by 2:

2 ÷ 2 = 1 (Quotient) with a remainder of 0

The Quotient is less than 2 (1), so we will transfer it to the beginning of the number as a reminder.

Now, write down the remainders obtained in reverse order:

1011001