Add together all the factors of a number, apart from itself.
If the answer is less than the number, then it is deficient.
If the answer is equal to the number, then it is perfect.
If the answer is greater than the number, then it is abundant.
The factors of 8 are 1, 2 and 4. 1+2+4 = 7 so 8 is deficient.
The factors of 6 are 1, 2 and 3. 1+2+3 = 6 so 6 is perfect.
The factors of 12 are 1, 2, 3, 4 and 6. 1+2+3+4+6 = 16 so 12 is abundant.
There are more deficient numbers.
It is deficient.
abundant
it is abundant
It is deficient.
There are more deficient numbers.
abundant
The answer will depend on where "there" is.
deficient
It is deficient.
abundant
it is abundant
deficient
It is deficient.
13 is deficient.
perfect
36 is abundant.