12 Days of Christmas
505
99 Bottles of Beer
593
Abundant Numbers
739
Abundant Numbers (Long)
877
858
Arabic to Roman
551
Arithmetic Numbers
696
Arrows
235
Ascending Primes
123
ASCII Table
302
Catalan Numbers
639
Collatz
775
CSS Colors
171
Day of Week
680
Divisors
877
Emirp Numbers
600
Emirp Numbers (Long)
657
Emojify
297
Evil Numbers
770
Evil Numbers (Long)
740
Farey Sequence
357
Fibonacci
789
Fizz Buzz
929
634
Foo Fizz Buzz Bar
900
Fractions
553
Happy Numbers
486
Happy Numbers (Long)
475
Leap Years
642
Look and Say
467
Morse Decoder
103
Morse Encoder
201
Niven Numbers
722
Niven Numbers (Long)
788
Number Spiral
247
Odious Numbers
784
Odious Numbers (Long)
782
Pangram Grep
806
787
Pascal’s Triangle
67
123
Pernicious Numbers
455
Pernicious Numbers (Long)
574
Prime Numbers
643
Prime Numbers (Long)
669
Quine
946
Roman to Arabic
537
Smith Numbers
651
Tongue-twisters
618
United States
122
π
5084961199998100114674362839159654813213832621261535830
101134160174258950516398454013859520413578253108132111148
𝑒
42596198818188955538557479465538951202451871304830
8110711513026613846467231371035921619562198828482123