12 Days of Christmas
406
99 Bottles of Beer
424
Abundant Numbers
688
Abundant Numbers (Long)
754
Arabic to Roman
434
Arrows
568
ASCII Table
415
Catalan Numbers
570
Collatz
754
CSS Colors
222
Cubes
475
Divisors
699
Emirp Numbers
466
Emirp Numbers (Long)
510
Emojify
537
Evil Numbers
785
Evil Numbers (Long)
768
Factorial Factorisation
346
Fibonacci
740
Fizz Buzz
891
Foo Fizz Buzz Bar
783
Fractions
466
Happy Numbers
457
Happy Numbers (Long)
569
Hexdump
383
ISBN
499
Kaprekar Numbers
253
Leap Years
770
Leyland Numbers
764
Lucky Numbers
567
Morse Decoder
408
Morse Encoder
485
Niven Numbers
685
Niven Numbers (Long)
749
Odious Numbers
783
Odious Numbers (Long)
766
Pangram Grep
707
Pernicious Numbers
711
Pernicious Numbers (Long)
510
Prime Numbers
665
Prime Numbers (Long)
629
RecamΓ‘n
707
Roman to Arabic
574
ROT13
450
Seven Segment
449
Smith Numbers
382
Tongue-twisters
416
Transpose Sentence
464
United States
395
Vampire Numbers
520
Van Eck Sequence
575