Abundant Numbers
156th
Abundant Numbers (Long)
81st
Collatz
123rd
Divisors
187th
Emirp Numbers
93rd
Emirp Numbers (Long)
43rd
Evil Numbers
241st
Evil Numbers (Long)
97th
Fibonacci
368th
Fizz Buzz
381st1,223rd
Foo Fizz Buzz Bar
94th
Happy Numbers
100th
Happy Numbers (Long)
62nd
Leap Years
187th
Niven Numbers
256th
Niven Numbers (Long)
93rd
Odious Numbers
213th
Odious Numbers (Long)
90th
Pernicious Numbers
154th
Prime Numbers
129th
Prime Numbers (Long)
68th