12 Days of Christmas
57
Abundant Numbers
768690
Abundant Numbers (Long)
792717
Alphabetic Numbers
178
Arithmetic Numbers
847
Ascending Primes
603
Chess Move Validation
232
Collatz
800
Divisors
737
Evil Numbers
643
Evil Numbers (Long)
630
Factorial Factorisation
665
Farey Sequence
538
Fibonacci
525
Fizz Buzz
938
Fractions
700
Leap Years
778
Look and Say
486
Niven Numbers
423
Niven Numbers (Long)
515
Odious Numbers
643
Odious Numbers (Long)
639
Prime Numbers
734
Prime Numbers (Long)
766
Quine
479
945