12 Days of Christmas
233
99 Bottles of Beer
339
Abundant Numbers
708
Abundant Numbers (Long)
777
855
Arabic to Roman
393
Arithmetic Numbers
593
Arrows
209
Ascending Primes
108
ASCII Table
238
Catalan Numbers
639
Collatz
650
CSS Colors
75
Day of Week
545
Divisors
831
Emirp Numbers
487
Emirp Numbers (Long)
547
Emojify
268
Evil Numbers
770
Evil Numbers (Long)
740
Farey Sequence
315
Fibonacci
789
Fizz Buzz
848
632
Foo Fizz Buzz Bar
715
Fractions
470
Happy Numbers
377
436
Happy Numbers (Long)
403
Leap Years
642
703
Look and Say
381
Morse Decoder
121
Morse Encoder
156
Niven Numbers
720
Niven Numbers (Long)
786
Number Spiral
202
Odious Numbers
784
Odious Numbers (Long)
782
Pangram Grep
683
786
Pascal’s Triangle
62
123
Pernicious Numbers
455
Pernicious Numbers (Long)
564
Prime Numbers
643
532
Prime Numbers (Long)
669
Quine
946
Roman to Arabic
406
ROT13
468
Smith Numbers
479
Tongue-twisters
344
United States
87
π
8496119999898114674362839156654813213827621261115829
101134160174257450505679384013834220413569253108132111
𝑒
59609881808795553754747944553794119205087934728
8110711513025613845466628371023401619559198828482