12 Days of Christmas
510408
99 Bottles of Beer
451
Abundant Numbers
513
Catalan’s Constant
63
Divisors
747457
Emirp Numbers
320
Fibonacci
745390
Fizz Buzz
558423
Foo Fizz Buzz Bar
444
Fractions
422
Happy Numbers
220
Happy Numbers (Long)
262
ISBN
371
Leap Years
668599
Niven Numbers
408
Pangram Grep
203
Pernicious Numbers
253
Prime Numbers
689
Prime Numbers (Long)
456
Quine
591
Tongue-twisters
382
United States
185
Vampire Numbers
84
π
961535856