12 Days of Christmas
551
Abundant Numbers
578
584
717
Abundant Numbers (Long)
722
851
Arabic to Roman
461
Arithmetic Numbers
584
714
731
Ascending Primes
281
Card Number Validation
473
Collatz
720
722
698
821
Day of Week
783
Diamonds
427
Divisors
584
644
876
Emirp Numbers
382
319
456
Emirp Numbers (Long)
448
Emojify
452
Evil Numbers
755
Evil Numbers (Long)
739
Farey Sequence
352
Fibonacci
389622537258751720599449859529826554518680734637
Fizz Buzz
624
613
Foo Fizz Buzz Bar
606
Fractions
559
686
Game of Life
174
Happy Numbers
514
Happy Numbers (Long)
592
Kaprekar Numbers
223
Leap Years
623
Leyland Numbers
771
Lucky Numbers
377
Niven Numbers
656
Niven Numbers (Long)
517
558
718
Odious Numbers
753
Odious Numbers (Long)
737
PalindromemordnilaP
704
Pernicious Numbers
407
Pernicious Numbers (Long)
510
Prime Numbers
437398445
560
Prime Numbers (Long)
444435661
594
Quine
946
Sudoku (Fill-in)
119
Transpose Sentence
464