12 Days of Christmas
676
Arabic to Roman
184
Divisors
645
Emirp Numbers
500
Evil Numbers
359
Fibonacci
106297458215305241186252222576248
Fizz Buzz
651
Happy Numbers
530
Leap Years
911
613
Morse Decoder
88
Morse Encoder
294
Niven Numbers
412
Odious Numbers
289
Pernicious Numbers
174
Prime Numbers
281
Roman to Arabic
429
Seven Segment
549