Abundant Numbers
863
Abundant Numbers (Long)
835
Collatz
668
Divisors
710
Emirp Numbers
529
Evil Numbers
771
Evil Numbers (Long)
746
Fibonacci
889
Fizz Buzz
499
Happy Numbers
552
Leap Years
580
Niven Numbers
848
Niven Numbers (Long)
550
Odious Numbers
784
Odious Numbers (Long)
775
Ordinal Numbers
807
Pangram Grep
852
Pernicious Numbers
801
Prime Numbers
767
United States
130