12 Days of Christmas
816
24 Game
42
99 Bottles of Beer
571
Abundant Numbers
807
679
Abundant Numbers (Long)
836
807
Arabic to Roman
543
Arithmetic Numbers
768773
722
ASCII Table
349
Catalan’s Constant
125
508
Collatz
706
CSS Colors
516
Diamonds
69
Divisors
806
Emojify
300
Evil Numbers
661
Evil Numbers (Long)
636
Factorial Factorisation
96
225
128170
Fibonacci
913
Fizz Buzz
944864660
607466
699
Foo Fizz Buzz Bar
830
Happy Numbers
580
Leap Years
818
ln 2
96
51
192
Morse Encoder
132
Niven Numbers
750
Niven Numbers (Long)
764
Odious Numbers
663
Odious Numbers (Long)
663
Pernicious Numbers
444
Pernicious Numbers (Long)
507
Prime Numbers
745
Prime Numbers (Long)
768
Sudoku
325
Tongue-twisters
526
United States
191
γ
88
π
36
538
62
146
204253
τ
98
φ
95
101891005371
51
168247