12 Days of Christmas
413
99 Bottles of Beer
579
Abundant Numbers
531
Abundant Numbers (Long)
536
Christmas Trees
126
Divisors
495
619468
Emirp Numbers
303
Emirp Numbers (Long)
298
Evil Numbers
524
Evil Numbers (Long)
552
Fibonacci
292
450
Fizz Buzz
448580958904887
Foo Fizz Buzz Bar
348870869
Happy Numbers
564
Happy Numbers (Long)
587
Leap Years
371
471
Niven Numbers
584
Niven Numbers (Long)
684
Prime Numbers
517
Prime Numbers (Long)
529
λ
492