Abundant Numbers
806
Collatz
860831
Divisors
725
Evil Numbers
729
Fibonacci
813
Fizz Buzz
786
Foo Fizz Buzz Bar
779
Fractions
609
Happy Numbers
713
Happy Numbers (Long)
664
Intersection
679
Leap Years
886
Niven Numbers
647
Odious Numbers
644
Pernicious Numbers
600
Prime Numbers
817
Quine
491
RecamΓ‘n
883
Vampire Numbers
105
Van Eck Sequence
837
Ο
100
β2
100
π
81