12 Days of Christmas
466
24 Game
30
99 Bottles of Beer
419
Abundant Numbers
752
651
Abundant Numbers (Long)
820
715
Arabic to Roman
543
Arithmetic Numbers
756764
722
ASCII Table
344
Catalan’s Constant
124
226
Collatz
694
CSS Colors
279
Diamonds
69
Divisors
807
Emojify
311
Evil Numbers
636
Evil Numbers (Long)
612
Factorial Factorisation
96
225
128170
Fibonacci
894
Fizz Buzz
941861651
554455
695
Foo Fizz Buzz Bar
823
Happy Numbers
428
Leap Years
817
ln 2
96
50
193
Morse Encoder
229
Niven Numbers
747
Niven Numbers (Long)
750
Odious Numbers
650
Odious Numbers (Long)
639
Pernicious Numbers
435
Pernicious Numbers (Long)
500
Prime Numbers
731
Prime Numbers (Long)
754
Sudoku
465
Tongue-twisters
366
United States
172
γ
88
π
34
539
62
118
204254
τ
98
φ
95
98871005269
50
168246