217156 divided by 17 
The aim is to understand the frequency of 17 in 217156.

Step 1:
2 divided by 17 is 0 with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Fetch the next digit (1) from the dividend, attach it to 2 and continue: 21 / 17

Going ahead to step 2:
21 divided by 17 is 1 with a remainder of 4.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 17 from 21, we get 4.
Include the next digit (7) from the dividend after 4, then repeat: 47 / 17

Advancing to step 3:
If we divide 47 by 17, we get 2 and a remainder of 13.
Record the quotient 2 as the next digit in the result. 
Result so far: 12.0
Subtract 34 from 47 to get 13.
Append the next digit (1) from the dividend to 13 and continue with: 131 / 17

Moving on to step 4:
When dividing 131 by 17, we get 7 with a remainder of 12.
The next digit of our result is 7. 
Result so far: 127.0
Deduct 119 from 131 and we're left with 12.
Include the next digit (5) from the dividend after 12, then repeat: 125 / 17

Moving on to step 5:
When dividing 125 by 17, we get 7 with a remainder of 6.
The number 7 becomes the next digit in our result. 
Result so far: 1277.0
Subtracting 119 from 125 leaves us with 6.
Grab the next digit (6) from the dividend, add it to 6, then carry on: 66 / 17

Moving on to step 6:
17 can be fit into 66 3 times, resulting in a remainder of 15.
Write down 3 as next digit of the result. 
Result so far: 12773.0
The remainder is 15 after subtracting 51 from 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

On to step 7:
150 divided by 17 is 8 with a remainder of 14.
The number 8 becomes the next digit in our result. 
Result so far: 12773.8
Deduct 136 from 150 and we're left with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Moving on to step 8:
140 divided by 17 is 8 with a remainder of 4.
The number 8 becomes the next digit in our result. 
Result so far: 12773.88
The remainder is 4 after subtracting 136 from 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

The quotient of the division is 12773.88, and the remainder is 0.004.