12 Days of Christmas
655747
99 Bottles of Beer
403
Abundant Numbers
509
Catalan’s Constant
63
Divisors
507452
Emirp Numbers
360
Fibonacci
453388
Fizz Buzz
392422
Foo Fizz Buzz Bar
443
Fractions
422
Happy Numbers
264
Happy Numbers (Long)
259
ISBN
369
Leap Years
417583
Niven Numbers
405
Pangram Grep
201
Pernicious Numbers
251
Prime Numbers
470
Prime Numbers (Long)
454
Quine
378
Tongue-twisters
515
United States
171
Vampire Numbers
90
π
961075763