12 Days of Christmas
233
99 Bottles of Beer
339
Abundant Numbers
709
Abundant Numbers (Long)
778
856
Arabic to Roman
393
Arithmetic Numbers
594
Arrows
209
Ascending Primes
108
ASCII Table
238
Catalan Numbers
639
Collatz
650
CSS Colors
75
Day of Week
546
Divisors
831
Emirp Numbers
487
Emirp Numbers (Long)
547
Emojify
268
Evil Numbers
770
Evil Numbers (Long)
741
Farey Sequence
315
Fibonacci
789
Fizz Buzz
848
632
Foo Fizz Buzz Bar
715
Fractions
471
Happy Numbers
377
437
Happy Numbers (Long)
403
Leap Years
642
703
Look and Say
381
Morse Decoder
121
Morse Encoder
156
Niven Numbers
720
Niven Numbers (Long)
787
Number Spiral
202
Odious Numbers
784
Odious Numbers (Long)
782
Pangram Grep
683
788
Pascal’s Triangle
62
123
Pernicious Numbers
455
Pernicious Numbers (Long)
564
Prime Numbers
643
532
Prime Numbers (Long)
670
Quine
944
Roman to Arabic
406
ROT13
470
Smith Numbers
479
Tongue-twisters
344
United States
87
π
8496119969898114674362839156654813213827621261115829
101134160174257450505679384013834220413667254108132111
𝑒
59609878808795553754747944553794119205087934728
8110711513025613845466628371033401619559198828482