12 Days of Christmas
347
Arabic to Roman
168
Divisors
625
Emirp Numbers
423
Evil Numbers
348
Fibonacci
102282448205292226178242219470239
Fizz Buzz
642
Happy Numbers
419
Leap Years
867
573
Morse Decoder
100
Morse Encoder
226
Niven Numbers
397
Odious Numbers
279
Pernicious Numbers
167
Prime Numbers
273
Roman to Arabic
408
Seven Segment
459