12 Days of Christmas
273
24 Game
32
99 Bottles of Beer
427
Abundant Numbers
781
662
Abundant Numbers (Long)
863
733
Arabic to Roman
559
Arithmetic Numbers
821806
798
ASCII Table
347
Catalan’s Constant
132
208
255
Collatz
719
CSS Colors
311
Diamonds
68
Divisors
833
Emirp Numbers
369
Emojify
323
Evil Numbers
662
Evil Numbers (Long)
645
Factorial Factorisation
103
225
137191
Fibonacci
918
Fizz Buzz
960881671
558456
734
Foo Fizz Buzz Bar
863
Happy Numbers
447
Leap Years
828
ln 2
105
51
219
Morse Encoder
239
Niven Numbers
778
Niven Numbers (Long)
795
Odious Numbers
667
Odious Numbers (Long)
662
Pernicious Numbers
456
Pernicious Numbers (Long)
528
Prime Numbers
761
Prime Numbers (Long)
794
Sudoku
505
Tongue-twisters
378
439
United States
182
γ
94
π
35
568
79
128
223281
τ
106
φ
103
107941115674
51
188278