Abundant Numbers
623
Arithmetic Numbers
525
Catalan Numbers
906
Divisors
570
Evil Numbers
820
Evil Numbers (Long)
820
Fibonacci
723
Fizz Buzz
618
Foo Fizz Buzz Bar
521
Happy Numbers
509
Happy Numbers (Long)
544
Leap Years
619
Leyland Numbers
707
Niven Numbers
779
Niven Numbers (Long)
695
Odious Numbers
946
Odious Numbers (Long)
891
Pascal’s Triangle
603
Pernicious Numbers
903
Prime Numbers
904
Prime Numbers (Long)
905
Smith Numbers
747