Abundant Numbers
719
Divisors
795772673
Emirp Numbers
474
Evil Numbers
504
755
Fibonacci
754
934717
Fizz Buzz
659817666606
Happy Numbers
417
Leap Years
757832683543
Niven Numbers
744
Odious Numbers
783
Pangram Grep
512
Pernicious Numbers
426
686
Prime Numbers
562719603
RecamΓ‘n
519
672579
Seven Segment
384
Van Eck Sequence
497