Abundant Numbers
877
Abundant Numbers (Long)
854
Collatz
675
Divisors
733
Emirp Numbers
535
Evil Numbers
778
Evil Numbers (Long)
759
Fibonacci
899
Fizz Buzz
503
Happy Numbers
563
Leap Years
587
Niven Numbers
869
Niven Numbers (Long)
566
Odious Numbers
797
Odious Numbers (Long)
793
Ordinal Numbers
812
Pangram Grep
868
Pernicious Numbers
815
Prime Numbers
771
United States
130