891B hexadecimal to binary

Here we will show you how to convert the hexadecimal number 891B to a binary number. First note that the hexadecimal number system has sixteen different digits (0 1 2 3 4 5 6 7 8 9 A B C D E F) and the binary number system has only two different digits (0 and 1).

The four steps used to convert 891B from hexadecimal to binary are explained below.

Step 1)
Multiply the last digit in 891B by 16⁰, multiply the second to last digit in 891B by 16¹, multiply the third to last digit in 891B by 16², multiply the fourth to last digit in 891B by 16³, and so on, until all the digits are used.

B × 16⁰ = 11
1 × 16¹ = 16
9 × 16² = 2304
8 × 16³ = 32768

Remember that the hexadecimal number system has sixteen different digits, so when doing the above calculation, we use the following values if applicable: A=10, B=11, C=12, D=13, E=14, and F=15.

Step 2)
Next, we add up all the products we got from Step 1, like this:

11 + 16 + 2304 + 32768 = 35099

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.

35099 ÷ 2 = 17549 with 1 remainder
17549 ÷ 2 = 8774 with 1 remainder
8774 ÷ 2 = 4387 with 0 remainder
4387 ÷ 2 = 2193 with 1 remainder
2193 ÷ 2 = 1096 with 1 remainder
1096 ÷ 2 = 548 with 0 remainder
548 ÷ 2 = 274 with 0 remainder
274 ÷ 2 = 137 with 0 remainder
137 ÷ 2 = 68 with 1 remainder
68 ÷ 2 = 34 with 0 remainder
34 ÷ 2 = 17 with 0 remainder
17 ÷ 2 = 8 with 1 remainder
8 ÷ 2 = 4 with 0 remainder
4 ÷ 2 = 2 with 0 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 891B hexadecimal to binary:

891B hexadecimal = 1000100100011011 binary

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