12 Days of Christmas
794
Abundant Numbers
350
723557553628390
Collatz
523
865
Divisors
488
668
Emirp Numbers
438
Evil Numbers
801
Fibonacci
723649770599
935
Fizz Buzz
626
Foo Fizz Buzz Bar
460
Happy Numbers
434
Happy Numbers (Long)
496
Jacobi Symbol
285
Leap Years
589
Niven Numbers
585
Niven Numbers (Long)
477
536
643
Prime Numbers
423
497
Tongue-twisters
498