12 Days of Christmas
28th
Arabic to Roman
74th
Divisors
122nd1,045th41st
Emirp Numbers
49th
Evil Numbers
1,118th58th
Fibonacci
193rd1,371st128th
Fizz Buzz
229th
96th
Happy Numbers
51st
Leap Years
54th
Morse Decoder
17th
Niven Numbers
52nd
Odious Numbers
54th
Pascal’s Triangle
58th
Pernicious Numbers
56th
Poker
9th
Prime Numbers
78th
Quine
76th
Spelling Numbers
81st