12 Days of Christmas
334th
Arabic to Roman
192nd
Divisors
465th
Emirp Numbers
161st
Evil Numbers
435th
Fibonacci
180th594th800th126th225th91st118th227th2,099th138th274th
Fizz Buzz
1,315th
Happy Numbers
187th
Leap Years
158th
113th
Morse Decoder
88th
Morse Encoder
90th
Niven Numbers
350th
Odious Numbers
340th
Pernicious Numbers
202nd
Prime Numbers
456th
Roman to Arabic
122nd
Seven Segment
103rd