12 Days of Christmas
700778
99 Bottles of Beer
416
Abundant Numbers
527
Catalan’s Constant
66
Divisors
537467
Emirp Numbers
375
Fibonacci
471398
Fizz Buzz
403427
Foo Fizz Buzz Bar
457
Fractions
444
Happy Numbers
276
Happy Numbers (Long)
274
ISBN
389
Leap Years
458612
Niven Numbers
420
Pangram Grep
211
Pernicious Numbers
262
Prime Numbers
496
Prime Numbers (Long)
475
Quine
403
Tongue-twisters
529
United States
185
Vampire Numbers
98
π
1021215964