12 Days of Christmas
412
99 Bottles of Beer
575
Abundant Numbers
503
Abundant Numbers (Long)
523
Christmas Trees
124
Divisors
490
608465
Emirp Numbers
300
Emirp Numbers (Long)
291
Evil Numbers
521
Evil Numbers (Long)
551
Fibonacci
291
447
Fizz Buzz
445577952894883
Foo Fizz Buzz Bar
345862856
Happy Numbers
555
Happy Numbers (Long)
573
Leap Years
352
458
Niven Numbers
569
Niven Numbers (Long)
663
Prime Numbers
516
Prime Numbers (Long)
526
λ
492