12 Days of Christmas
354
Arabic to Roman
170
Divisors
630
Emirp Numbers
426
Evil Numbers
349
Fibonacci
102
282
449
207
292
227
180
243
219
479
241
Fizz Buzz
644
Happy Numbers
422
Leap Years
892
601
Morse Decoder
108
Morse Encoder
231
Niven Numbers
400
Odious Numbers
280
Pernicious Numbers
169
Prime Numbers
273
Roman to Arabic
410
Seven Segment
477