12 Days of Christmas
551
Abundant Numbers
578
585
717
Abundant Numbers (Long)
724
851
Arabic to Roman
461
Arithmetic Numbers
584
716
731
Ascending Primes
281
Card Number Validation
474
Collatz
721
722
699
822
Day of Week
783
Diamonds
427
Divisors
584
645
876
Emirp Numbers
382
319
456
Emirp Numbers (Long)
448
Emojify
452
Evil Numbers
755
Evil Numbers (Long)
740
Farey Sequence
352
Fibonacci
389622537258751720599449860530826555518681734637
Fizz Buzz
624
613
Foo Fizz Buzz Bar
606
Fractions
559
687
Game of Life
174
Happy Numbers
514
Happy Numbers (Long)
592
Kaprekar Numbers
226
Leap Years
623
Leyland Numbers
771
Look and Say
510
Lucky Numbers
377
Niven Numbers
656
Niven Numbers (Long)
517
559
718
Odious Numbers
753
Odious Numbers (Long)
738
PalindromemordnilaP
705
Pernicious Numbers
407
Pernicious Numbers (Long)
510
Prime Numbers
437398445
560
Prime Numbers (Long)
444435661
594
Quine
946
Sudoku (Fill-in)
119
Time Distance
380
Transpose Sentence
465