Abundant Numbers
17th68th
Abundant Numbers (Long)
14th52nd
Collatz
6th211th
Divisors
1st204th
Emirp Numbers
14th120th
Emirp Numbers (Long)
77th
Evil Numbers
22nd157th
Evil Numbers (Long)
21st86th
Fibonacci
61st503rd
Fizz Buzz
18th1,138th
Foo Fizz Buzz Bar
15th
Happy Numbers
23rd144th
Happy Numbers (Long)
14th89th
Leap Years
22nd181st
Niven Numbers
1st1st
Niven Numbers (Long)
20th22nd
Odious Numbers
23rd140th
Odious Numbers (Long)
21st79th
Pernicious Numbers
131st
Pernicious Numbers (Long)
79th
Prime Numbers
20th309th
Prime Numbers (Long)
25th157th