99 Bottles of Beer
567th
Abundant Numbers
24th
751st
Abundant Numbers (Long)
19th
Divisors
21st
Emirp Numbers
14th
87th
Emojify
16th
178th
Evil Numbers
6th
8th
98th
Evil Numbers (Long)
9th
29th
Happy Numbers
79th
Leap Years
545th
Niven Numbers
25th
305th
Odious Numbers
8th
181st
Odious Numbers (Long)
14th
133rd
Prime Numbers
439th
Quine
1st
29th
10th
1st
Reverse Polish Notation
43rd