
Here we will show you how to convert the octal number 5561 to a binary number. First note that the octal number system has eight different digits (0 1 2 3 4 5 6 7) and the binary number system has only two different digits (0 and 1).
The four steps used to convert 5561 from octal to binary are explained below.
Step 1)
Multiply the last digit in 5561 by 8⁰, multiply the second to last digit in 5561 by 8¹, multiply the third to last digit in 5561 by 8², multiply the fourth to last digit in 5561 by 8³, and so on, until all the digits are used:
1 × 8⁰ = 1
6 × 8¹ = 48
5 × 8² = 320
5 × 8³ = 2560
Step 2)
Next, we add up all the products we got from Step 1, like this:
1 + 48 + 320 + 2560 = 2929
Step 3)
Now we divide the sum from Step 2 by 2. Put the remainder aside. Then divide the whole part by 2 again, and put the remainder aside again. Keep doing this until the whole part is 0.
2929 ÷ 2 = 1464 with 1 remainder
1464 ÷ 2 = 732 with 0 remainder
732 ÷ 2 = 366 with 0 remainder
366 ÷ 2 = 183 with 0 remainder
183 ÷ 2 = 91 with 1 remainder
91 ÷ 2 = 45 with 1 remainder
45 ÷ 2 = 22 with 1 remainder
22 ÷ 2 = 11 with 0 remainder
11 ÷ 2 = 5 with 1 remainder
5 ÷ 2 = 2 with 1 remainder
2 ÷ 2 = 1 with 0 remainder
1 ÷ 2 = 0 with 1 remainder
Step 4)
In the final step, we take the remainders from Step 3 and put them together in reverse order to get our answer to 5561 octal to binary:
5561 octal = 101101110001 binary
Octal to Binary Converter
Here you can convert another octal number to binary. Remember, octal numbers only include digits 0 through 7.
5562 octal to binary
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