847507domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form k^2 + k + 844427.at n=30A160548Initial member of 9 consecutive primes {a, b, c, d, e, f, g, h, i} such that (a + b + c)/3, (d + e + f)/3 and (g + h + i)/3 are all prime.at n=3A294147Prime numbersat n=67437