9995671domain: NAppears in sequencesLargest n-digit strong pseudoprimes (in base 2).at n=3A062852Largest n-digit pseudoprime (to base 2).at n=4A067845Strong pseudoprimes (base-2) equal to product of 4 primes not necessarily distinct.at n=4A112451Strong pseudoprimes (base 2) that become prime when two is subtracted.at n=26A230483