12 Days of Christmas
122nd
Abundant Numbers
8th
Abundant Numbers (Long)
2nd
Arithmetic Numbers
9th
Divisors
65th
Evil Numbers
95th
Evil Numbers (Long)
64th
Fibonacci
295th
Fizz Buzz
496th
Foo Fizz Buzz Bar
14th
Leap Years
72nd
Medal Tally
18th
Niven Numbers
110th
Odious Numbers
77th
Odious Numbers (Long)
51st
Pernicious Numbers
63rd
Pernicious Numbers (Long)
29th
Prime Numbers
84th
Tongue-twisters
43rd