Abundant Numbers
14th
50th
Abundant Numbers (Long)
9th
30th
Collatz
10th
130th
Divisors
12th
170th
Emirp Numbers
9th
104th
Emirp Numbers (Long)
49th
Evil Numbers
16th
124th
Evil Numbers (Long)
14th
55th
Fibonacci
34th
399th
Fizz Buzz
15th
956th
Foo Fizz Buzz Bar
13th
Happy Numbers
13th
112th
Happy Numbers (Long)
12th
60th
Leap Years
15th
128th
Niven Numbers
14th
1st
Niven Numbers (Long)
13th
15th
Odious Numbers
16th
112th
Odious Numbers (Long)
14th
49th
Pernicious Numbers
95th
Pernicious Numbers (Long)
53rd
Prime Numbers
14th
253rd
Prime Numbers (Long)
17th
113th