319699domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes expressible as the sum of 4 consecutive palindromes.at n=8A046496a(n) is the smallest natural number we cannot obtain from n, n+1, n+2, n+3, n+4, n+5, n+6, n+7, n+8 and the operators +, -, *, /, using each number only once.at n=6A143193Prime numbersat n=27585