Migration complete - please let us know if anything isn't working.
239
This number is a prime.
Just showing those entries submitted by 'Gaydos': (Click here to show all)
The reversal of the 239th prime number (1499) is the 239th
emirp (9941). [Gaydos]
The 52nd prime number (239) has a Collatz trajectory length
of 52. [Gaydos]
The smallest integer greater than 1 that has the same
Collatz trajectory length (52) as its square (57121). [Gaydos]
(There are 3 curios for this number that have not yet been approved by an editor.)
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell