Abundant Numbers
15th52nd
Abundant Numbers (Long)
10th34th
Collatz
10th156th
Divisors
14th183rd
Emirp Numbers
10th112th
Emirp Numbers (Long)
Evil Numbers
17th131st
Evil Numbers (Long)
15th62nd
Fibonacci
43rd425th
Fizz Buzz
15th1,018th
Foo Fizz Buzz Bar
14th
Happy Numbers
17th123rd
Happy Numbers (Long)
12th70th
Leap Years
15th136th
Niven Numbers
15th1st
Niven Numbers (Long)
15th18th
Odious Numbers
17th117th
Odious Numbers (Long)
15th56th
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
14th266th
Prime Numbers (Long)
18th121st