12 Days of Christmas
234
99 Bottles of Beer
342
Abundant Numbers
721
Abundant Numbers (Long)
797
919
Arabic to Roman
402
Arithmetic Numbers
608
Arrows
214
Ascending Primes
111
ASCII Table
243
Catalan Numbers
657
Collatz
663
CSS Colors
78
Day of Week
567
Divisors
844
Emirp Numbers
495
Emirp Numbers (Long)
563
Emojify
272
Evil Numbers
784
Evil Numbers (Long)
759
Farey Sequence
326
Fibonacci
800
Fizz Buzz
855
653
Foo Fizz Buzz Bar
725
Fractions
484
Happy Numbers
384
Happy Numbers (Long)
415
Leap Years
652
Look and Say
390
Morse Decoder
123
Morse Encoder
159
Niven Numbers
733
Niven Numbers (Long)
806
Number Spiral
208
Odious Numbers
800
Odious Numbers (Long)
804
Pangram Grep
701
860
Pascal’s Triangle
64
140
Pernicious Numbers
465
Pernicious Numbers (Long)
580
Prime Numbers
656
Prime Numbers (Long)
688
Quine
969
Roman to Arabic
418
Smith Numbers
494
Tongue-twisters
346
United States
91
π
921021301121041041237345669010060695114614927661401625930
1101471781922578525357114394214938022314774281117145123163
𝑒
646510889859310359395881874759401051302054961404929
89117128144266540484771293911138017710464221909290135