12 Days of Christmas
232
99 Bottles of Beer
339
Abundant Numbers
708
Abundant Numbers (Long)
777
854
Arabic to Roman
393
Arithmetic Numbers
602
Arrows
208
Ascending Primes
107
ASCII Table
238
Catalan Numbers
639
Collatz
649
CSS Colors
75
Day of Week
545
Divisors
831
Emirp Numbers
487
Emirp Numbers (Long)
546
Emojify
268
Evil Numbers
770
Evil Numbers (Long)
740
Farey Sequence
314
Fibonacci
789
Fizz Buzz
848
632
Foo Fizz Buzz Bar
714
Fractions
470
Happy Numbers
377
Happy Numbers (Long)
403
Leap Years
642
Look and Say
380
Morse Decoder
121
Morse Encoder
156
Niven Numbers
719
Niven Numbers (Long)
786
Number Spiral
201
Odious Numbers
783
Odious Numbers (Long)
781
Pangram Grep
683
785
Pascal’s Triangle
62
123
Pernicious Numbers
455
Pernicious Numbers (Long)
564
Prime Numbers
643
Prime Numbers (Long)
669
Quine
946
Roman to Arabic
406
Smith Numbers
479
Tongue-twisters
344
United States
89
π
85961191019898114674362839156654813213727621261515829
1031341601732574505056103384013834220413569253108132111147
𝑒
596098818087955537547479445537941192050861294728
8310711513025613845466728371023401609559198828482122