Abundant Numbers
143rd
Abundant Numbers (Long)
68th
Collatz
102nd
Divisors
170th
Emirp Numbers
84th
Emirp Numbers (Long)
34th
Evil Numbers
225th
Evil Numbers (Long)
83rd
Fibonacci
340th
Fizz Buzz
356th
1,047thFoo Fizz Buzz Bar
79th
Happy Numbers
87th
Happy Numbers (Long)
54th
Leap Years
168th
Niven Numbers
239th
Niven Numbers (Long)
78th
Odious Numbers
202nd
Odious Numbers (Long)
76th
Pernicious Numbers
143rd
Prime Numbers
119th
Prime Numbers (Long)
59th