**8, 13, 21, 32, 47, 63, 83 **Justify each of the above numbers as a qualifying answer for "Odd man out" puzzle.

Rem 1: Partial answers accepted.

Rem 2: Will comment later how this puzzle was born.

8 = the only single digit #

13 = the smallest prime in the given sequence

21 = the only non-prime with precisely 3 factors: 1, 3, 7

32 = median # of the given sequence

47 = the largest prime less than 50

63 = the only non-prime with precisely 4 factors: 1, 3, 7, 9

83 = the largest prime in the given sequence

The possibilities are endless!