12 Days of Christmas
290
Arabic to Roman
845
Divisors
413665615
Emirp Numbers
595
Evil Numbers
553397
Fibonacci
411710545
Fizz Buzz
452
581
Happy Numbers
165
Leap Years
373
Morse Decoder
78
Niven Numbers
599
Odious Numbers
441
Pascal’s Triangle
261
Pernicious Numbers
417
Poker
124
Prime Numbers
593
Quine
280
Spelling Numbers
857