12 Days of Christmas
420
99 Bottles of Beer
590
Abundant Numbers
500
Abundant Numbers (Long)
570
Christmas Trees
133
Divisors
763
645450
Emirp Numbers
283
Emirp Numbers (Long)
321
Evil Numbers
551
Evil Numbers (Long)
592
Fibonacci
500
466
Fizz Buzz
456847966918815
Foo Fizz Buzz Bar
461888903
Happy Numbers
429
Happy Numbers (Long)
634
Leap Years
595
489
Niven Numbers
609
Niven Numbers (Long)
725
Prime Numbers
544
Prime Numbers (Long)
570
λ
221