12 Days of Christmas
551
Abundant Numbers
578
585
717
Abundant Numbers (Long)
725
852
Arabic to Roman
462
Arithmetic Numbers
585
717
732
Ascending Primes
282
Card Number Validation
470
Collatz
721
722
699
822
Day of Week
784
Diamonds
427
Divisors
585
645
877
Emirp Numbers
382
319
456
Emirp Numbers (Long)
449
Emojify
453
Evil Numbers
755
Evil Numbers (Long)
740
Farey Sequence
353
Fibonacci
389622538258752721599449860530826555519681734637
Fizz Buzz
624
613
Foo Fizz Buzz Bar
606
Fractions
560
687
Game of Life
170
Happy Numbers
515
Happy Numbers (Long)
592
Kaprekar Numbers
227
Leap Years
623
Leyland Numbers
771
Look and Say
510
Lucky Numbers
377
Niven Numbers
656
Niven Numbers (Long)
518
559
719
Odious Numbers
753
Odious Numbers (Long)
738
PalindromemordnilaP
707
Pernicious Numbers
407
Pernicious Numbers (Long)
511
Prime Numbers
437398445
561
617
Prime Numbers (Long)
710
445435661
595
654
Quine
946
Sudoku (Fill-in)
119
Time Distance
380
Transpose Sentence
466