12 Days of Christmas
359
Arabic to Roman
174
Divisors
645
Emirp Numbers
439
Evil Numbers
359
Fibonacci
106290458215305241186252222485248
Fizz Buzz
651
Happy Numbers
436
Leap Years
911
613
Morse Decoder
111
Morse Encoder
239
Niven Numbers
412
Odious Numbers
289
Pernicious Numbers
174
Prime Numbers
281
Roman to Arabic
429
Seven Segment
487