12 Days of Christmas
532413
99 Bottles of Beer
475
Abundant Numbers
527
Catalan’s Constant
66
Divisors
789467
Emirp Numbers
330
Fibonacci
777398
Fizz Buzz
575427
Foo Fizz Buzz Bar
457
Fractions
444
Happy Numbers
227
Happy Numbers (Long)
274
ISBN
389
Leap Years
704612
Niven Numbers
420
Pangram Grep
211
Pernicious Numbers
262
Prime Numbers
730
Prime Numbers (Long)
475
Quine
632
Tongue-twisters
401
United States
202
Vampire Numbers
88
π
1021635957