12 Days of Christmas
354
Arabic to Roman
168
Divisors
631
Emirp Numbers
426
Evil Numbers
349
Fibonacci
103282449207292227180243219479241
Fizz Buzz
644
Happy Numbers
422
Leap Years
892
589
Morse Decoder
108
Morse Encoder
231
Niven Numbers
400
Odious Numbers
280
Pernicious Numbers
169
Prime Numbers
273
Roman to Arabic
410
Seven Segment
467