12 Days of Christmas
791
Abundant Numbers
351
493558554628391
Collatz
524
803
Divisors
488
668
Emirp Numbers
432
Evil Numbers
802
Fibonacci
487723650470600
935
Fizz Buzz
626
Foo Fizz Buzz Bar
460
Happy Numbers
434
Happy Numbers (Long)
496
Jacobi Symbol
286
Leap Years
589
Niven Numbers
585
Niven Numbers (Long)
470
537
644
Prime Numbers
423
497
Tongue-twisters
498