12 Days of Christmas
480413
99 Bottles of Beer
416
Abundant Numbers
527
Catalan’s Constant
66
Divisors
537467
Emirp Numbers
330
Fibonacci
471398
Fizz Buzz
403427
Foo Fizz Buzz Bar
457
Fractions
444
Happy Numbers
227
Happy Numbers (Long)
274
ISBN
389
Leap Years
444612
Niven Numbers
420
Pangram Grep
211
Pernicious Numbers
262
Prime Numbers
468
Prime Numbers (Long)
475
Quine
403
Tongue-twisters
337
United States
176
Vampire Numbers
88
π
1021195957