Abundant Numbers
32nd
Abundant Numbers (Long)
31st
Collatz
66th
48th
Divisors
138th
46th
Evil Numbers
34th
Evil Numbers (Long)
31st
Fibonacci
189th
82nd
Leap Years
33rd
471st
Leyland Numbers
9th
Medal Tally
6th
Niven Numbers
98th
38th
Niven Numbers (Long)
32nd
Odious Numbers
34th
Odious Numbers (Long)
29th
Pernicious Numbers
33rd
Pernicious Numbers (Long)
19th
Prime Numbers
52nd
Prime Numbers (Long)
43rd
RecamΓ‘n
28th
14th
282nd
Reverse Polish Notation
16th