12 Days of Christmas
271st
Arabic to Roman
153rd
Divisors
408th
Emirp Numbers
132nd
Evil Numbers
376th
Fibonacci
138th
449th
676th
93rd
168th
75th
92nd
185th
1,714th
103rd
221st
Fizz Buzz
1,146th
Happy Numbers
157th
Leap Years
128th
100th
Morse Decoder
71st
Morse Encoder
71st
Niven Numbers
295th
Odious Numbers
295th
Pernicious Numbers
173rd
Prime Numbers
395th
Roman to Arabic
94th
Seven Segment
81st