Abundant Numbers
33rd
Abundant Numbers (Long)
31st
Collatz
67th
49th
Divisors
138th
47th
Evil Numbers
34th
Evil Numbers (Long)
31st
Fibonacci
192nd
82nd
Leap Years
33rd
481stLeyland Numbers
9th
Medal Tally
7th
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
283rdReverse Polish Notation
16th