99 Bottles of Beer
567
Abundant Numbers
678
Abundant Numbers (Long)
806
Arithmetic Numbers
763
Ascending Primes
269
Collatz
792
Diamonds
243
Divisors
748
Emirp Numbers
414
Emirp Numbers (Long)
454
Evil Numbers
446
Evil Numbers (Long)
701
Factorial Factorisation
451
Fibonacci
866
Fizz Buzz
886
Foo Fizz Buzz Bar
844
Fractions
661
Happy Numbers
431
Happy Numbers (Long)
485
Leap Years
589
Leyland Numbers
489
Lucky Numbers
317
Niven Numbers
637
Niven Numbers (Long)
698
Odious Numbers
753
Odious Numbers (Long)
738
Ordinal Numbers
529
Pernicious Numbers
337
Pernicious Numbers (Long)
425
Prime Numbers
530
Prime Numbers (Long)
563
RecamΓ‘n
547
Smith Numbers
404
π
210