Abundant Numbers
29th
Collatz
31st486th
Divisors
204th
Evil Numbers
90th
Evil Numbers (Long)
63rd
Fibonacci
264th
Fizz Buzz
293rd
Foo Fizz Buzz Bar
47th
Fractions
62nd
Happy Numbers
54th
Happy Numbers (Long)
40th
Intersection
31st
Leap Years
42nd
Niven Numbers
118th
Odious Numbers
81st
Odious Numbers (Long)
59th
Pernicious Numbers
80th
Pernicious Numbers (Long)
44th
Prime Numbers
79th
Quine
99th
Recamán
23rd
Vampire Numbers
38th
Van Eck Sequence
14th
π
66th
√2
33rd
𝑒
52nd