Abundant Numbers
646
Arithmetic Numbers
525
Catalan Numbers
906
Divisors
570
Evil Numbers
820
Evil Numbers (Long)
820
Fibonacci
723
Fizz Buzz
768
Foo Fizz Buzz Bar
677
Happy Numbers
542
Happy Numbers (Long)
544
Leap Years
666
Leyland Numbers
805
Niven Numbers
836
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