D21 hexadecimal to binary

Here we will show you how to convert the hexadecimal number D21 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 D21 from hexadecimal to binary are explained below.

Step 1)
Multiply the last digit in D21 by 16⁰, multiply the second to last digit in D21 by 16¹, multiply the third to last digit in D21 by 16², multiply the fourth to last digit in D21 by 16³, and so on, until all the digits are used.

1 × 16⁰ = 1
2 × 16¹ = 32
D × 16² = 3328

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:

1 + 32 + 3328 = 3361

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.

3361 ÷ 2 = 1680 with 1 remainder
1680 ÷ 2 = 840 with 0 remainder
840 ÷ 2 = 420 with 0 remainder
420 ÷ 2 = 210 with 0 remainder
210 ÷ 2 = 105 with 0 remainder
105 ÷ 2 = 52 with 1 remainder
52 ÷ 2 = 26 with 0 remainder
26 ÷ 2 = 13 with 0 remainder
13 ÷ 2 = 6 with 1 remainder
6 ÷ 2 = 3 with 0 remainder
3 ÷ 2 = 1 with 1 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 D21 hexadecimal to binary:

D21 hexadecimal = 110100100001 binary

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D22 hexadecimal to binary
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