We look at the division of 17250848 by 806 
The aim is to understand the frequency of 806 in 17250848.

Advancing to step 1:
1 divided by 806 is 0 with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Fetch the next digit (7) from the dividend, attach it to 1 and continue: 17 / 806

Moving on to step 2:
806 goes into 17 0 times with a remainder of 17.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 17 leaves us with 17.
Include the next digit (2) from the dividend after 17, then repeat: 172 / 806

Advancing to step 3:
When dividing 172 by 806, we get 0 with a remainder of 172.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 172, we end up with 172.
Fetch the next digit (5) from the dividend, attach it to 172 and continue: 1725 / 806

On to step 4:
806 goes into 1725 2 times with a remainder of 113.
The next digit of our result is 2. 
Result so far: 2.0
The remainder is 113 after subtracting 1612 from 1725.
Grab the next digit (0) from the dividend, add it to 113, then carry on: 1130 / 806

Moving on to step 5:
1130 divided by 806 is 1 with a remainder of 324.
Write down 1 as next digit of the result. 
Result so far: 21.0
The remainder is 324 after subtracting 806 from 1130.
Include the next digit (8) from the dividend after 324, then repeat: 3248 / 806

Let's proceed to step 6:
806 can be fit into 3248 4 times, resulting in a remainder of 24.
Write down 4 as next digit of the result. 
Result so far: 214.0
If we take 3224 away from 3248, we end up with 24.
Take the next digit (4) from the dividend and append it to 24, then repeat: 244 / 806

Moving on to step 7:
806 goes into 244 0 times with a remainder of 244.
The number 0 becomes the next digit in our result. 
Result so far: 2140.0
If we take 0 away from 244, we end up with 244.
Fetch the next digit (8) from the dividend, attach it to 244 and continue: 2448 / 806

Step 8:
The number 806 fits into 2448 3 times, leaving a remainder of 30.
The number 3 becomes the next digit in our result. 
Result so far: 21403.0
Subtracting 2418 from 2448 leaves us with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Advancing to step 9:
300 divided by 806 is 0 with a remainder of 300.
Write down 0 as next digit of the result. 
Result so far: 21403.0
The remainder is 300 after subtracting 0 from 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3000, and continue the process.

Step 10:
If we divide 3000 by 806, we get 3 and a remainder of 582.
Write down 3 as next digit of the result. 
Result so far: 21403.03
If we take 2418 away from 3000, we end up with 582.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5820, and continue the process.

Step 11:
806 goes into 5820 7 times with a remainder of 178.
The next digit of our result is 7. 
Result so far: 21403.037
Subtracting 5642 from 5820 leaves us with 178.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1780, and continue the process.

On to step 12:
The number 806 fits into 1780 2 times, leaving a remainder of 168.
The next digit of our result is 2. 
Result so far: 21403.0372
Deduct 1612 from 1780 and we're left with 168.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1680, and continue the process.

On to step 13:
806 goes into 1680 2 times with a remainder of 68.
Use 2 as the next digit of our solution. 
Result so far: 21403.03722
If we subtract 1612 from 1680, we get 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

The quotient of the division is 21403.03722, and the remainder is 6.8e-05.