14212570 divided by 831 
The aim is to understand the frequency of 831 in 14212570.

Step 1:
When dividing 1 by 831, we get 0 with a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Fetch the next digit (4) from the dividend, attach it to 1 and continue: 14 / 831

On to step 2:
When dividing 14 by 831, we get 0 with a remainder of 14.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 14 leaves us with 14.
Include the next digit (2) from the dividend after 14, then repeat: 142 / 831

Advancing to step 3:
The number 831 fits into 142 0 times, leaving a remainder of 142.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 142 after subtracting 0 from 142.
Include the next digit (1) from the dividend after 142, then repeat: 1421 / 831

Step 4:
831 can be fit into 1421 1 times, resulting in a remainder of 590.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 590 after subtracting 831 from 1421.
Take the next digit (2) from the dividend and append it to 590, then repeat: 5902 / 831

Moving on to step 5:
If we divide 5902 by 831, we get 7 and a remainder of 85.
The number 7 becomes the next digit in our result. 
Result so far: 17.0
If we subtract 5817 from 5902, we get 85.
Bring next digit (5) of the dividend behind the 85 and repeat the process: 855 / 831

On to step 6:
831 goes into 855 1 times with a remainder of 24.
Put 1 as the next digit of the answer. 
Result so far: 171.0
Deduct 831 from 855 and we're left with 24.
Grab the next digit (7) from the dividend, add it to 24, then carry on: 247 / 831

Going ahead to step 7:
831 can be fit into 247 0 times, resulting in a remainder of 247.
Use 0 as the next digit of our solution. 
Result so far: 1710.0
Subtracting 0 from 247 leaves us with 247.
Bring next digit (0) of the dividend behind the 247 and repeat the process: 2470 / 831

Advancing to step 8:
831 goes into 2470 2 times with a remainder of 808.
The next digit of our result is 2. 
Result so far: 17102.0
The remainder is 808 after subtracting 1662 from 2470.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8080, and continue the process.

Step 9:
831 can be fit into 8080 9 times, resulting in a remainder of 601.
The number 9 becomes the next digit in our result. 
Result so far: 17102.9
Subtracting 7479 from 8080 leaves us with 601.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6010, and continue the process.

Going ahead to step 10:
831 can be fit into 6010 7 times, resulting in a remainder of 193.
Put 7 as the next digit of the answer. 
Result so far: 17102.97
Subtracting 5817 from 6010 leaves us with 193.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1930, and continue the process.

Let's proceed to step 11:
831 can be fit into 1930 2 times, resulting in a remainder of 268.
Record the quotient 2 as the next digit in the result. 
Result so far: 17102.972
Subtracting 1662 from 1930 leaves us with 268.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2680, and continue the process.

Moving on to step 12:
When dividing 2680 by 831, we get 3 with a remainder of 187.
Use 3 as the next digit of our solution. 
Result so far: 17102.9723
Deduct 2493 from 2680 and we're left with 187.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1870, and continue the process.

On to step 13:
831 can be fit into 1870 2 times, resulting in a remainder of 208.
Write down 2 as next digit of the result. 
Result so far: 17102.97232
Deduct 1662 from 1870 and we're left with 208.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2080, and continue the process.

On to step 14:
The number 831 fits into 2080 2 times, leaving a remainder of 418.
Put 2 as the next digit of the answer. 
Result so far: 17102.972322
If we subtract 1662 from 2080, we get 418.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4180, and continue the process.

After the division, we end up with 17102.972322 and a remainder of 4.18e-05.