This number is a composite.
98 can be the partial sum of the first n Goldbach numbers which are the number of decompositions of 2n into the sum of two primes. [Russo]
98 repeated 9+8 times, followed by 1, is prime
(98989898989898989898989898989898981). 98 times 9+8,
followed by 1, is a palindromic prime (16661). [Silva]
The smallest composite number whose reversal is a Fibonacci prime. [Gudipati]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell