12 Days of Christmas
463408
99 Bottles of Beer
397
Abundant Numbers
513
Catalan’s Constant
63
Divisors
513457
Emirp Numbers
320
Fibonacci
454390
Fizz Buzz
393423
Foo Fizz Buzz Bar
445
Fractions
423
Happy Numbers
220
Happy Numbers (Long)
262
ISBN
372
Leap Years
418585
Niven Numbers
409
Pangram Grep
203
Pernicious Numbers
253
Prime Numbers
444
Prime Numbers (Long)
457
Quine
379
Tongue-twisters
326
United States
163
Vampire Numbers
84
π
961065856