12 Days of Christmas
316th
Arabic to Roman
191st
Divisors
456th
Emirp Numbers
152nd
Evil Numbers
429th
Fibonacci
168th554th779th119th213th87th113th221st2,036th116th262nd
Fizz Buzz
1,296th
Happy Numbers
185th
Leap Years
149th
110th
Morse Decoder
85th
Morse Encoder
84th
Niven Numbers
341st
Odious Numbers
332nd
Pernicious Numbers
196th
Prime Numbers
447th
Roman to Arabic
116th
Seven Segment
92nd