12 Days of Christmas
794
Abundant Numbers
350
722
557
553
627
390
Collatz
523
864
Divisors
487
668
Emirp Numbers
438
Evil Numbers
801
Fibonacci
722
647
769
599
934
Fizz Buzz
626
Foo Fizz Buzz Bar
460
Happy Numbers
433
Happy Numbers (Long)
495
Jacobi Symbol
285
Leap Years
588
Niven Numbers
585
Niven Numbers (Long)
476
534
642
Prime Numbers
423
496
Tongue-twisters
498