Let's divide 258387 by 16
The aim is to understand the frequency of 16 in 258387.

Moving on to step 1:
16 can be fit into 2 0 times, resulting in a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Take the next digit (5) from the dividend and append it to 2, then repeat: 25 / 16

On to step 2:
The number 16 fits into 25 1 times, leaving a remainder of 9.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Deduct 16 from 25 and we're left with 9.
Fetch the next digit (8) from the dividend, attach it to 9 and continue: 98 / 16

Let's proceed to step 3:
16 goes into 98 6 times with a remainder of 2.
Use 6 as the next digit of our solution. 
Result so far: 16.0
Subtract 96 from 98 to get 2.
Include the next digit (3) from the dividend after 2, then repeat: 23 / 16

Moving on to step 4:
23 divided by 16 is 1 with a remainder of 7.
Write down 1 as next digit of the result. 
Result so far: 161.0
Deduct 16 from 23 and we're left with 7.
Append the next digit (8) from the dividend to 7 and continue with: 78 / 16

Advancing to step 5:
When dividing 78 by 16, we get 4 with a remainder of 14.
The number 4 becomes the next digit in our result. 
Result so far: 1614.0
If we take 64 away from 78, we end up with 14.
Include the next digit (7) from the dividend after 14, then repeat: 147 / 16

Going ahead to step 6:
147 divided by 16 is 9 with a remainder of 3.
Record the quotient 9 as the next digit in the result. 
Result so far: 16149.0
Deduct 144 from 147 and we're left with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Step 7:
16 goes into 30 1 times with a remainder of 14.
The next digit of our result is 1. 
Result so far: 16149.1
Subtracting 16 from 30 leaves us 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.

Step 8:
140 divided by 16 is 8 with a remainder of 12.
Write down 8 as next digit of the result. 
Result so far: 16149.18
Subtract 128 from 140 to 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.

Moving on to step 9:
120 divided by 16 is 7 with a remainder of 8.
The next digit of our result is 7. 
Result so far: 16149.187
Subtracting 112 from 120 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

On to step 10:
The number 16 fits into 80 5 times, leaving a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 16149.1875
If we subtract 80 from 80, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 11:
16 goes into 0 0 times with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 16149.1875
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 12:
0 divided by 16 is 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 16149.1875
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 16149.1875 with a remainder of 0.0.