12 Days of Christmas
802
99 Bottles of Beer
812
846
Arabic to Roman
611
445
Christmas Trees
790563
780
Divisors
783745
771
Emirp Numbers
729589
845
Evil Numbers
530609
669
Fibonacci
481
673776
734
Fizz Buzz
930
957904
Happy Numbers
543669
653
Morse Decoder
384
Morse Encoder
367
503
Niven Numbers
902
Odious Numbers
553632
685
Pangram Grep
693
826
Pascal’s Triangle
742
Pernicious Numbers
553
Prime Numbers
743420758715622838
Quine
962
646769
403
Roman to Arabic
405
436
Seven Segment
597
544
Sierpiński Triangle
436
348
Spelling Numbers
493
π
251209569
τ
26151
68
φ
30109
39
𝑒
45105
46