Abundant Numbers
883
Abundant Numbers (Long)
860
Collatz
680
Divisors
731
Emirp Numbers
535
Evil Numbers
777
Evil Numbers (Long)
759
Fibonacci
898
Fizz Buzz
508
Happy Numbers
680
Leap Years
642
Niven Numbers
877
Niven Numbers (Long)
570
Odious Numbers
796
Odious Numbers (Long)
793
Ordinal Numbers
819
Pangram Grep
864
Pernicious Numbers
814
Prime Numbers
770
United States
132