12 Days of Christmas
799
Abundant Numbers
620360717554
Christmas Trees
772
Collatz
815
900
Cubes
375
DFA Simulator
653
Divisors
510729
Emirp Numbers
422
Evil Numbers
433755
Fibonacci
526613
612
Fizz Buzz
700361929
Foo Fizz Buzz Bar
423
Happy Numbers
552
ISBN
848
Leap Years
451
Niven Numbers
656
Odious Numbers
784
Pernicious Numbers
349
Prime Numbers
646224577
Proximity Grid
589
Quine
492
946
Recamán
473
Reverse Polish Notation
541
√2
501
𝑒
540