We divide 575787 by 13
The aim is to understand the frequency of 13 in 575787.

On to step 1:
When dividing 5 by 13, we get 0 with a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Include the next digit (7) from the dividend after 5, then repeat: 57 / 13

Advancing to step 2:
If we divide 57 by 13, we get 4 and a remainder of 5.
Use 4 as the next digit of our solution. 
Result so far: 4.0
The remainder is 5 after subtracting 52 from 57.
Append the next digit (5) from the dividend to 5 and continue with: 55 / 13

On to step 3:
13 goes into 55 4 times with a remainder of 3.
The next digit of our result is 4. 
Result so far: 44.0
If we take 52 away from 55, we end up with 3.
Bring next digit (7) of the dividend behind the 3 and repeat the process: 37 / 13

On to step 4:
13 can be fit into 37 2 times, resulting in a remainder of 11.
Put 2 as the next digit of the answer. 
Result so far: 442.0
If we subtract 26 from 37, we get 11.
Include the next digit (8) from the dividend after 11, then repeat: 118 / 13

Step 5:
If we divide 118 by 13, we get 9 and a remainder of 1.
The next digit of our result is 9. 
Result so far: 4429.0
Subtract 117 from 118 to get 1.
Append the next digit (7) from the dividend to 1 and continue with: 17 / 13

Let's proceed to step 6:
If we divide 17 by 13, we get 1 and a remainder of 4.
Use 1 as the next digit of our solution. 
Result so far: 44291.0
The remainder is 4 after subtracting 13 from 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 7:
40 divided by 13 is 3 with a remainder of 1.
Use 3 as the next digit of our solution. 
Result so far: 44291.3
Subtract 39 from 40 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Step 8:
When dividing 10 by 13, we get 0 with a remainder of 10.
Use 0 as the next digit of our solution. 
Result so far: 44291.3
Subtracting 0 from 10 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 9:
When dividing 100 by 13, we get 7 with a remainder of 9.
The number 7 becomes the next digit in our result. 
Result so far: 44291.307
If we take 91 away from 100, we end up with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Let's proceed to step 10:
If we divide 90 by 13, we get 6 and a remainder of 12.
Write down 6 as next digit of the result. 
Result so far: 44291.3076
If we subtract 78 from 90, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 11:
When dividing 120 by 13, we get 9 with a remainder of 3.
Write down 9 as next digit of the result. 
Result so far: 44291.30769
Subtract 117 from 120 to get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Let's proceed to step 12:
13 goes into 30 2 times with a remainder of 4.
The next digit of our result is 2. 
Result so far: 44291.307692
If we take 26 away from 30, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 13:
13 goes into 40 3 times with a remainder of 1.
Put 3 as the next digit of the answer. 
Result so far: 44291.3076923
Subtracting 39 from 40 leaves us with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Let's proceed to step 14:
13 can be fit into 10 0 times, resulting in a remainder of 10.
The number 0 becomes the next digit in our result. 
Result so far: 44291.3076923
Subtract 0 from 10 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

In conclusion, the division gives 44291.3076923 with a balance of 1e-08.