12 Days of Christmas
805
99 Bottles of Beer
823
857
Arabic to Roman
613
450
Christmas Trees
813573
807
Divisors
807759
803
Emirp Numbers
740594
860
Evil Numbers
534612
676
Fibonacci
483
682782
744
Fizz Buzz
947
960924
Happy Numbers
556679
672
Morse Decoder
396
Morse Encoder
378
514
Niven Numbers
944
Odious Numbers
562638
697
Pangram Grep
728
858
Pascal’s Triangle
758
Pernicious Numbers
565
Prime Numbers
744421761716623843
Quine
967
649771
407
Roman to Arabic
409
445
Seven Segment
608
559
Sierpiński Triangle
449
359
Spelling Numbers
491
π
251209570
τ
27153
69
φ
30111
40
𝑒
47108
48