We're dividing 278787 by 16 
The aim is to understand the frequency of 16 in 278787.

On to step 1:
The number 16 fits into 2 0 times, leaving a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Grab the next digit (7) from the dividend, add it to 2, then carry on: 27 / 16

Let's proceed to step 2:
The number 16 fits into 27 1 times, leaving a remainder of 11.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we subtract 16 from 27, we get 11.
Bring next digit (8) of the dividend behind the 11 and repeat the process: 118 / 16

Step 3:
If we divide 118 by 16, we get 7 and a remainder of 6.
Write down 7 as next digit of the result. 
Result so far: 17.0
The remainder is 6 after subtracting 112 from 118.
Fetch the next digit (7) from the dividend, attach it to 6 and continue: 67 / 16

Moving on to step 4:
16 can be fit into 67 4 times, resulting in a remainder of 3.
The number 4 becomes the next digit in our result. 
Result so far: 174.0
The remainder is 3 after subtracting 64 from 67.
Append the next digit (8) from the dividend to 3 and continue with: 38 / 16

Step 5:
16 can be fit into 38 2 times, resulting in a remainder of 6.
Use 2 as the next digit of our solution. 
Result so far: 1742.0
The remainder is 6 after subtracting 32 from 38.
Append the next digit (7) from the dividend to 6 and continue with: 67 / 16

Step 6:
67 divided by 16 is 4 with a remainder of 3.
The number 4 becomes the next digit in our result. 
Result so far: 17424.0
The remainder is 3 after subtracting 64 from 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

On to step 7:
If we divide 30 by 16, we get 1 and a remainder of 14.
Record the quotient 1 as the next digit in the result. 
Result so far: 17424.1
Deduct 16 from 30 and we're left 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:
If we divide 140 by 16, we get 8 and a remainder of 12.
Write down 8 as next digit of the result. 
Result so far: 17424.18
If we subtract 128 from 140, 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.

Step 9:
The number 16 fits into 120 7 times, leaving a remainder of 8.
The next digit of our result is 7. 
Result so far: 17424.187
Subtract 112 from 120 to get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Going ahead to step 10:
80 divided by 16 is 5 with a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 17424.1875
The remainder is 0 after subtracting 80 from 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 11:
16 can be fit into 0 0 times, resulting in a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 17424.1875
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.

On to step 12:
When dividing 0 by 16, we get 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 17424.1875
Deduct 0 from 0 and we're left with 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 quotient of the division is 17424.1875, and the remainder is 0.0.