1
This number is a unit (so is neither prime nor composite).
Just showing those entries submitted by 'Gudipati': (Click here to show all)
The first orbit of an atom is the only orbit having the
maximum possible number of electrons equal to a prime
number. [Gudipati]
(There is one curio for this number that has not yet been approved by an editor.)
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean