12 Days of Christmas
670
Arabic to Roman
178
Divisors
631
Emirp Numbers
484
Evil Numbers
349
Fibonacci
103289450208293228180243219565242
Fizz Buzz
646
Happy Numbers
513
Leap Years
872
578
Morse Decoder
85
Morse Encoder
284
Niven Numbers
402
Odious Numbers
280
Pernicious Numbers
169
Prime Numbers
273
Roman to Arabic
413
Seven Segment
530