12 Days of Christmas
413
99 Bottles of Beer
580
Abundant Numbers
531
Abundant Numbers (Long)
536
Christmas Trees
126
Divisors
723
619468
Emirp Numbers
303
Emirp Numbers (Long)
297
Evil Numbers
524
Evil Numbers (Long)
552
Fibonacci
479
450
Fizz Buzz
448824957904887
Foo Fizz Buzz Bar
438870869
Happy Numbers
564
Happy Numbers (Long)
586
Leap Years
576
471
Niven Numbers
584
Niven Numbers (Long)
684
Prime Numbers
517
Prime Numbers (Long)
529
λ
492