2594971
This number is a prime.
2594971 belongs to OEIS A069456 (Non-twin primes that are
at least doubly lonely), but has much stronger property of
being sandwiched between two prime quadruplets: {2594951,
2594953, 2594957, 2594959} & {2594981, 2594983, 2594987,
2594989} 2594971 is the smallest prime number which has
this property showing only 1 prime number exists between
two prime quadruplets. [Roshanak]
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