12 Days of Christmas
2,047th
99 Bottles of Beer
1,987th
Abundant Numbers
2,208th
Abundant Numbers (Long)
1,193rd
Arabic to Roman
1,394th
Arithmetic Numbers
1,063rd
Ascending Primes
697th
Card Number Validation
588th
Christmas Trees
1,436th
Collatz
1,262nd1,984th1,743rd
Emirp Numbers
1,965th
Emirp Numbers (Long)
852nd
Evil Numbers
2,787th
Evil Numbers (Long)
1,587th
Fibonacci
1,095th
Fizz Buzz
8,482nd
Foo Fizz Buzz Bar
2,151st
ISBN
1,208th
Niven Numbers (Long)
1,343rd
1,475th
Odious Numbers
2,266th
Odious Numbers (Long)
1,415th
Prime Numbers
3,504th
Prime Numbers (Long)
1,850th
Quine
1,907th
Tongue-twisters
1,408th