12 Days of Christmas
494
99 Bottles of Beer
592
Abundant Numbers
734
Abundant Numbers (Long)
857
848
Arabic to Roman
550
Arithmetic Numbers
683
Arrows
232
Ascending Primes
121
ASCII Table
299
Catalan Numbers
636
Collatz
715
CSS Colors
171
Day of Week
682
Divisors
872
Emirp Numbers
590
Emirp Numbers (Long)
645
Emojify
297
Evil Numbers
769
Evil Numbers (Long)
739
Farey Sequence
358
Fibonacci
787
Fizz Buzz
926
631
Foo Fizz Buzz Bar
896
Fractions
553
Happy Numbers
483
559
Happy Numbers (Long)
472
Leap Years
640
700
Look and Say
465
Morse Decoder
102
Morse Encoder
198
Niven Numbers
716
Niven Numbers (Long)
780
Number Spiral
246
Odious Numbers
781
Odious Numbers (Long)
778
Pangram Grep
801
780
Pascal’s Triangle
67
122
Pernicious Numbers
453
Pernicious Numbers (Long)
569
Prime Numbers
643
532
Prime Numbers (Long)
668
Quine
945
Roman to Arabic
534
ROT13
472
Smith Numbers
651
Tongue-twisters
616
United States
117
π
4984951199698100113674362809158644813213831621261065730
110134145173248850516398444013859620313576257107111100
𝑒
4058609777808794543754717745543694119235086924729
8510611312925603745466730371025911609461197817377