Abundant Numbers
877
Abundant Numbers (Long)
855
Collatz
676
Divisors
733
Emirp Numbers
536
Evil Numbers
778
Evil Numbers (Long)
760
Fibonacci
899
Fizz Buzz
503
Happy Numbers
563
Leap Years
587
Niven Numbers
870
Niven Numbers (Long)
567
Odious Numbers
798
Odious Numbers (Long)
794
Ordinal Numbers
814
Pangram Grep
871
Pernicious Numbers
815
Prime Numbers
772
United States
131