2463
This number is a composite.
Just showing those entries submitted by 'Sariyar': (Click here to show all)
The 2463th prime number appears in the Collatz trajectory
for 2463. The sequence of these numbers is 3, 7, 27, 54,
108, 2463, ... . Can you find the next number with this
property? [Sariyar]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean