12 Days of Christmas
28th
Arabic to Roman
73rd
Divisors
122nd1,045th41st
Emirp Numbers
49th
Evil Numbers
1,113th58th
Fibonacci
193rd1,366th111th
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
75th
Spelling Numbers
81st