We look at the division of 456623 by 16 
The aim is to understand the frequency of 16 in 456623.

Moving on to step 1:
16 goes into 4 0 times with a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Grab the next digit (5) from the dividend, add it to 4, then carry on: 45 / 16

Moving on to step 2:
The number 16 fits into 45 2 times, leaving a remainder of 13.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Deduct 32 from 45 and we're left with 13.
Bring next digit (6) of the dividend behind the 13 and repeat the process: 136 / 16

Step 3:
When dividing 136 by 16, we get 8 with a remainder of 8.
Write down 8 as next digit of the result. 
Result so far: 28.0
If we take 128 away from 136, we end up with 8.
Append the next digit (6) from the dividend to 8 and continue with: 86 / 16

Advancing to step 4:
If we divide 86 by 16, we get 5 and a remainder of 6.
Use 5 as the next digit of our solution. 
Result so far: 285.0
If we subtract 80 from 86, we get 6.
Take the next digit (2) from the dividend and append it to 6, then repeat: 62 / 16

On to step 5:
The number 16 fits into 62 3 times, leaving a remainder of 14.
The number 3 becomes the next digit in our result. 
Result so far: 2853.0
Subtract 48 from 62 to get 14.
Fetch the next digit (3) from the dividend, attach it to 14 and continue: 143 / 16

Moving on to step 6:
16 can be fit into 143 8 times, resulting in a remainder of 15.
The next digit of our result is 8. 
Result so far: 28538.0
The remainder is 15 after subtracting 128 from 143.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Step 7:
If we divide 150 by 16, we get 9 and a remainder of 6.
Record the quotient 9 as the next digit in the result. 
Result so far: 28538.9
Subtract 144 from 150 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 8:
16 goes into 60 3 times with a remainder of 12.
Write down 3 as next digit of the result. 
Result so far: 28538.93
Subtracting 48 from 60 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Advancing to step 9:
When dividing 120 by 16, we get 7 with a remainder of 8.
The number 7 becomes the next digit in our result. 
Result so far: 28538.937
If we take 112 away from 120, we end up 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:
16 can be fit into 80 5 times, resulting in a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 28538.9375
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:
If we divide 0 by 16, we get 0 and a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 28538.9375
If we subtract 0 from 0, 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.

Step 12:
When dividing 0 by 16, we get 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 28538.9375
Subtracting 0 from 0 leaves us 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 final outcome is 28538.9375, with a leftover of 0.0.