12 Days of Christmas
799
Abundant Numbers
620360718554
Christmas Trees
772
Collatz
816
901
Cubes
375
DFA Simulator
653
Divisors
510729
Emirp Numbers
422
Evil Numbers
433755
Fibonacci
527613
612
Fizz Buzz
700361929
Foo Fizz Buzz Bar
424
Happy Numbers
552
ISBN
849
Leap Years
451
Niven Numbers
656
Odious Numbers
784
Pernicious Numbers
349
Prime Numbers
647224577
Proximity Grid
589
Quine
492
946
Recamán
473
Reverse Polish Notation
542
√2
501
𝑒
540