99 Bottles of Beer
571
Abundant Numbers
689
Abundant Numbers (Long)
827
Arithmetic Numbers
785
Ascending Primes
280
Collatz
810
Diamonds
248
Divisors
760
Emirp Numbers
422
Emirp Numbers (Long)
469
Evil Numbers
455
Evil Numbers (Long)
719
Factorial Factorisation
467
Fibonacci
878
Fizz Buzz
892
Foo Fizz Buzz Bar
856
Fractions
682
Happy Numbers
440
Happy Numbers (Long)
500
Leap Years
597
Leyland Numbers
503
Lucky Numbers
333
Niven Numbers
647
Niven Numbers (Long)
714
Odious Numbers
769
Odious Numbers (Long)
759
Ordinal Numbers
544
Pernicious Numbers
345
Pernicious Numbers (Long)
437
Prime Numbers
541
Prime Numbers (Long)
579
RecamΓ‘n
560
Smith Numbers
419
π
215