12 Days of Christmas
477
24 Game
33
99 Bottles of Beer
445
Abundant Numbers
781
662
Abundant Numbers (Long)
863
733
Arabic to Roman
574
Arithmetic Numbers
833806
798
ASCII Table
364
Catalan’s Constant
134
255
Collatz
719
CSS Colors
311
Diamonds
72
Divisors
833
Emojify
326
Evil Numbers
676
Evil Numbers (Long)
658
Factorial Factorisation
103
256
141191
Fibonacci
918
Fizz Buzz
960881679
558478
734
Foo Fizz Buzz Bar
863
Happy Numbers
447
Leap Years
844
ln 2
105
51
219
Morse Encoder
245
Niven Numbers
778
Niven Numbers (Long)
808
Odious Numbers
694
Odious Numbers (Long)
689
Pernicious Numbers
456
Pernicious Numbers (Long)
528
Prime Numbers
761
Prime Numbers (Long)
794
Sudoku
505
Tongue-twisters
378
United States
182
γ
94
π
35
568
66
128
223281
τ
106
φ
103
107951115677
51
188278