Abundant Numbers
876
Abundant Numbers (Long)
852
Collatz
675
Divisors
731
Emirp Numbers
535
Evil Numbers
777
Evil Numbers (Long)
759
Fibonacci
898
Fizz Buzz
503
Happy Numbers
563
Leap Years
640
Niven Numbers
868
Niven Numbers (Long)
566
Odious Numbers
796
Odious Numbers (Long)
793
Ordinal Numbers
812
Pangram Grep
861
Pernicious Numbers
814
Prime Numbers
770
United States
130