12 Days of Christmas
663
Arabic to Roman
841
Divisors
408698708
Emirp Numbers
615
Evil Numbers
552446
Fibonacci
408709632
Fizz Buzz
451
605
Happy Numbers
195
Leap Years
441
Morse Decoder
73
Niven Numbers
648
Odious Numbers
491
Pascal’s Triangle
299
Pernicious Numbers
463
Poker
243
Prime Numbers
649
Quine
278
Spelling Numbers
857