12 Days of Christmas
30th
Arabic to Roman
71st
Divisors
117th1,023rd48th
Emirp Numbers
49th
Evil Numbers
1,082nd58th
Fibonacci
189th1,333rd112th
Fizz Buzz
225th
99th
Happy Numbers
51st
Leap Years
55th
Morse Decoder
16th
Niven Numbers
53rd
Odious Numbers
53rd
Pascal’s Triangle
57th
Pernicious Numbers
54th
Poker
9th
Prime Numbers
77th
Quine
74th
Spelling Numbers
76th