12 Days of Christmas
777
Abundant Numbers
347
482551524624383
Collatz
520
799
Divisors
483
664
Emirp Numbers
430
Evil Numbers
800
Fibonacci
485721639468597
932
Fizz Buzz
624
Foo Fizz Buzz Bar
457
Happy Numbers
431
Happy Numbers (Long)
493
Jacobi Symbol
284
Leap Years
587
Niven Numbers
580
Niven Numbers (Long)
461
534
636
Prime Numbers
423
496
Tongue-twisters
496