12 Days of Christmas
366
Abundant Numbers
327
484555493602299
Collatz
514
726
Divisors
488
633
Emirp Numbers
355
Evil Numbers
801
Fibonacci
723649469600
935
Fizz Buzz
572
Foo Fizz Buzz Bar
365
Happy Numbers
337
Happy Numbers (Long)
420
Jacobi Symbol
208
Leap Years
588
Niven Numbers
583
Niven Numbers (Long)
475
528
642
Prime Numbers
415
497
Tongue-twisters
277