1,2,3,4,5,7,8,9,10,11,13,14,15,16,17,19,21,21,23,25,26,27,29,31,32,33,34,35,37,38,39,41,43,44,45,46,47,49,50,51,52,53,55,57,58,59,61
All prime numbers are deficient.
Yes.
Look for a table of prime numbers. All the odd numbers that are NOT on this list are composite numbers.
That's an infinite list.
That's an infinite list.
That's an infinite list.
No. All prime numbers are deficient.
2 and 5 are the prime factors of 100.
Yes, like all prime numbers.
No, all prime numbers are deficient.
no, 945 is the first abundant odd number though
All odd numbers with one or two distinct prime factors are deficient. Since 3 and 7 are factors of 63, it must be deficient.