33107
This number is a prime.
A prime formed by simply right-concatenating the exponent
of Mersenne prime M11 to the number of digits of the same
Mersenne prime. M11 is the sixth-largest known Mersenne
prime to exhibit this property. (Note also that the
opposite right-concatenation, i.e. 10733 is also prime). [Harrison]
Mathematician and computer scientist Arto Salomaa lived for
33107 days. [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean