Abundant Numbers
721
Divisors
845
885
695
Emirp Numbers
725
696
594
Evil Numbers
638
816
605
Fibonacci
868
878
781
Fizz Buzz
789
520
634
Leap Years
578
953
915
733
Niven Numbers
808
800
763
Odious Numbers
649
800
605
Ordinal Numbers
635
555
460
Pascalβs Triangle
658
641
519
Pernicious Numbers
459
606
475
Prime Numbers
923
870
844
Quine
271
510
969
β2
721