Abundant Numbers
799
Abundant Numbers (Long)
545
Collatz
813
Divisors
651
Emirp Numbers
488
Emirp Numbers (Long)
514
Evil Numbers
703
Evil Numbers (Long)
714
Fibonacci
597
Fizz Buzz
863
Happy Numbers (Long)
504
Leyland Numbers
612
Niven Numbers
613
Niven Numbers (Long)
717
Odious Numbers
673
Odious Numbers (Long)
596
Prime Numbers
492
π
558
τ
553