12 Days of Christmas
67th
99 Bottles of Beer
42nd
Collatz
28th
45th
241st
45th
13th
Divisors
92nd
17th63rd103rd
75th
16th
Emojify
25th
Evil Numbers
104th
Fibonacci
81st470th262nd223rd
24th168th106th264th685th
49th1,448th
Fizz Buzz
298th
166th
239th
Foo Fizz Buzz Bar
76th
102nd
61st
8th
Leap Years
27th
80th
Niven Numbers
850th
Niven Numbers (Long)
429th
Prime Numbers
66th234th128th94th25th37th30th31st27th23rd77th87th140th425th
101st34th22nd81st127th63rd937th160th113th39th52nd
31st25th
Prime Numbers (Long)
72nd
51st
Quine
56th
π
9th
65th