12 Days of Christmas
887
99 Bottles of Beer
777
Abundant Numbers
729
Abundant Numbers (Long)
873
Arabic to Roman
614
Arithmetic Numbers
869
Arrows
658
Ascending Primes
496
ASCII Table
534
Card Number Validation
700
Catalan Numbers
587
Christmas Trees
681
Collatz
919
CSS Colors
532
Cubes
676
Divisors
750
Emirp Numbers
602
Emirp Numbers (Long)
667
Emojify
460
Evil Numbers
800
Evil Numbers (Long)
788
Factorial Factorisation
450
Farey Sequence
673
Fibonacci
857
Fizz Buzz
983
Foo Fizz Buzz Bar
1,000
Fractions
570
Happy Numbers
912
Happy Numbers (Long)
735
Hexdump
620
ISBN
659
Kaprekar Numbers
314
Leap Years
782
Leyland Numbers
986
Lucky Numbers
607
Morse Decoder
545
Morse Encoder
645
Niven Numbers
786
Niven Numbers (Long)
862
Odious Numbers
800
Odious Numbers (Long)
788
Pangram Grep
878
Pernicious Numbers
727
Pernicious Numbers (Long)
547
Prime Numbers
769
Prime Numbers (Long)
647
Quine
373
RecamΓ‘n
803
Roman to Arabic
784
ROT13
544
Seven Segment
631
Smith Numbers
562
Tongue-twisters
742
Transpose Sentence
770
United States
567
Vampire Numbers
752
Van Eck Sequence
629