421806 ÷ 33 
The aim is to understand the frequency of 33 in 421806.

Let's proceed to step 1:
When dividing 4 by 33, we get 0 with a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Append the next digit (2) from the dividend to 4 and continue with: 42 / 33

Step 2:
The number 33 fits into 42 1 times, leaving a remainder of 9.
The next digit of our result is 1. 
Result so far: 1.0
If we take 33 away from 42, we end up with 9.
Append the next digit (1) from the dividend to 9 and continue with: 91 / 33

Advancing to step 3:
The number 33 fits into 91 2 times, leaving a remainder of 25.
Record the quotient 2 as the next digit in the result. 
Result so far: 12.0
Subtracting 66 from 91 leaves us with 25.
Fetch the next digit (8) from the dividend, attach it to 25 and continue: 258 / 33

Step 4:
The number 33 fits into 258 7 times, leaving a remainder of 27.
The number 7 becomes the next digit in our result. 
Result so far: 127.0
The remainder is 27 after subtracting 231 from 258.
Take the next digit (0) from the dividend and append it to 27, then repeat: 270 / 33

Moving on to step 5:
33 can be fit into 270 8 times, resulting in a remainder of 6.
Write down 8 as next digit of the result. 
Result so far: 1278.0
Deduct 264 from 270 and we're left with 6.
Include the next digit (6) from the dividend after 6, then repeat: 66 / 33

Let's proceed to step 6:
If we divide 66 by 33, we get 2 and a remainder of 0.
Record the quotient 2 as the next digit in the result. 
Result so far: 12782.0
Deduct 66 from 66 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 7:
The number 33 fits into 0 0 times, leaving a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 12782.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 8:
0 divided by 33 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 12782.0
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 12782.0 with a remainder of 0.0.