12 Days of Christmas
685771
99 Bottles of Beer
406
Abundant Numbers
509
Catalan’s Constant
63
Divisors
507452
Emirp Numbers
361
Fibonacci
452388
Fizz Buzz
392422
Foo Fizz Buzz Bar
445
Fractions
423
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
516
United States
171
Vampire Numbers
93
π
961075763