Abundant Numbers
876
Abundant Numbers (Long)
852
Collatz
674
Divisors
731
Emirp Numbers
535
Evil Numbers
776
Evil Numbers (Long)
758
Fibonacci
898
Fizz Buzz
503
Happy Numbers
563
Leap Years
640
Niven Numbers
867
Niven Numbers (Long)
565
Odious Numbers
794
Odious Numbers (Long)
792
Ordinal Numbers
812
Pangram Grep
861
Pernicious Numbers
814
Prime Numbers
769
United States
130