Abundant Numbers
883
Abundant Numbers (Long)
860
Collatz
679
Divisors
731
Emirp Numbers
535
Evil Numbers
776
Evil Numbers (Long)
758
Fibonacci
898
Fizz Buzz
508
Happy Numbers
680
Leap Years
642
Niven Numbers
877
Niven Numbers (Long)
569
Odious Numbers
794
Odious Numbers (Long)
792
Ordinal Numbers
819
Pangram Grep
864
Pernicious Numbers
814
Prime Numbers
769
United States
132