12 Days of Christmas
685771
99 Bottles of Beer
406
Abundant Numbers
515
Catalan’s Constant
64
Divisors
512457
Emirp Numbers
363
Fibonacci
454390
Fizz Buzz
394424
Foo Fizz Buzz Bar
448
Fractions
422
Happy Numbers
267
Happy Numbers (Long)
263
ISBN
373
Leap Years
438600
Niven Numbers
410
Pangram Grep
203
Pernicious Numbers
253
Prime Numbers
470
Prime Numbers (Long)
456
Quine
377
Tongue-twisters
515
United States
173
Vampire Numbers
94
π
961145863