We look at the division of 16117801 by 579 
The aim is to understand the frequency of 579 in 16117801.

Going ahead to step 1:
When dividing 1 by 579, we get 0 with a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Include the next digit (6) from the dividend after 1, then repeat: 16 / 579

On to step 2:
When dividing 16 by 579, we get 0 with a remainder of 16.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 16 to get 16.
Take the next digit (1) from the dividend and append it to 16, then repeat: 161 / 579

Step 3:
579 goes into 161 0 times with a remainder of 161.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 161 and we're left with 161.
Fetch the next digit (1) from the dividend, attach it to 161 and continue: 1611 / 579

Going ahead to step 4:
The number 579 fits into 1611 2 times, leaving a remainder of 453.
Use 2 as the next digit of our solution. 
Result so far: 2.0
If we subtract 1158 from 1611, we get 453.
Include the next digit (7) from the dividend after 453, then repeat: 4537 / 579

Step 5:
When dividing 4537 by 579, we get 7 with a remainder of 484.
The number 7 becomes the next digit in our result. 
Result so far: 27.0
Subtract 4053 from 4537 to get 484.
Bring next digit (8) of the dividend behind the 484 and repeat the process: 4848 / 579

Step 6:
When dividing 4848 by 579, we get 8 with a remainder of 216.
The number 8 becomes the next digit in our result. 
Result so far: 278.0
Deduct 4632 from 4848 and we're left with 216.
Grab the next digit (0) from the dividend, add it to 216, then carry on: 2160 / 579

Let's proceed to step 7:
If we divide 2160 by 579, we get 3 and a remainder of 423.
Put 3 as the next digit of the answer. 
Result so far: 2783.0
If we subtract 1737 from 2160, we get 423.
Take the next digit (1) from the dividend and append it to 423, then repeat: 4231 / 579

On to step 8:
4231 divided by 579 is 7 with a remainder of 178.
The number 7 becomes the next digit in our result. 
Result so far: 27837.0
If we subtract 4053 from 4231, we get 178.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1780, and continue the process.

Let's proceed to step 9:
When dividing 1780 by 579, we get 3 with a remainder of 43.
Use 3 as the next digit of our solution. 
Result so far: 27837.3
Subtract 1737 from 1780 to get 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Let's proceed to step 10:
If we divide 430 by 579, we get 0 and a remainder of 430.
Put 0 as the next digit of the answer. 
Result so far: 27837.3
The remainder is 430 after subtracting 0 from 430.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4300, and continue the process.

Advancing to step 11:
579 can be fit into 4300 7 times, resulting in a remainder of 247.
The number 7 becomes the next digit in our result. 
Result so far: 27837.307
Subtract 4053 from 4300 to get 247.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2470, and continue the process.

Moving on to step 12:
When dividing 2470 by 579, we get 4 with a remainder of 154.
Record the quotient 4 as the next digit in the result. 
Result so far: 27837.3074
If we take 2316 away from 2470, we end up with 154.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1540, and continue the process.

Step 13:
When dividing 1540 by 579, we get 2 with a remainder of 382.
The number 2 becomes the next digit in our result. 
Result so far: 27837.30742
Subtracting 1158 from 1540 leaves us with 382.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3820, and continue the process.

Going ahead to step 14:
When dividing 3820 by 579, we get 6 with a remainder of 346.
The number 6 becomes the next digit in our result. 
Result so far: 27837.307426
If we subtract 3474 from 3820, we get 346.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3460, and continue the process.

Moving on to step 15:
If we divide 3460 by 579, we get 5 and a remainder of 565.
The number 5 becomes the next digit in our result. 
Result so far: 27837.3074265
Deduct 2895 from 3460 and we're left with 565.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5650, and continue the process.

Step 16:
The number 579 fits into 5650 9 times, leaving a remainder of 439.
Record the quotient 9 as the next digit in the result. 
Result so far: 27837.30742659
If we take 5211 away from 5650, we end up with 439.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4390, and continue the process.

The quotient of the division is 27837.30742659, and the remainder is 4.39e-07.