12 Days of Christmas
398
99 Bottles of Beer
560
Abundant Numbers
473
Abundant Numbers (Long)
532
Christmas Trees
125
Divisors
721
619443
Emirp Numbers
268
Emirp Numbers (Long)
297
Evil Numbers
523
Evil Numbers (Long)
551
Fibonacci
479
450
Fizz Buzz
446822955899809
Foo Fizz Buzz Bar
435863857
Happy Numbers
407
Happy Numbers (Long)
582
Leap Years
565
470
Niven Numbers
578
Niven Numbers (Long)
679
Prime Numbers
517
Prime Numbers (Long)
529
λ
205