12 Days of Christmas
295th
Arabic to Roman
175th
Divisors
436th
Emirp Numbers
140th
Evil Numbers
402nd
Fibonacci
159th516th739th112th200th81st104th212th1,916th111th247th
Fizz Buzz
1,242nd
Happy Numbers
172nd
Leap Years
138th
109th
Morse Decoder
82nd
Morse Encoder
82nd
Niven Numbers
314th
Odious Numbers
316th
Pernicious Numbers
190th
Prime Numbers
423rd
Roman to Arabic
107th
Seven Segment
88th