Abundant Numbers
731
Divisors
822817684
Emirp Numbers
482
Evil Numbers
526
769
Fibonacci
776
947735
Fizz Buzz
673841671616
Happy Numbers
425
Leap Years
783877694559
Niven Numbers
759
Odious Numbers
800
Pangram Grep
526
Pernicious Numbers
448
702
Prime Numbers
586763615
Recamán
549
688600
Seven Segment
393
Van Eck Sequence
515