Abundant Numbers
646
Arithmetic Numbers
525
Catalan Numbers
907
Divisors
571
Evil Numbers
820
Evil Numbers (Long)
824
Fibonacci
722
Fizz Buzz
771
Foo Fizz Buzz Bar
686
Happy Numbers
542
Happy Numbers (Long)
544
Leap Years
666
Leyland Numbers
806
Niven Numbers
837
Niven Numbers (Long)
695
Odious Numbers
947
Odious Numbers (Long)
891
Pascal’s Triangle
603
Pernicious Numbers
903
Prime Numbers
904
Prime Numbers (Long)
905
Smith Numbers
767