115861domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers n such that the smallest possible number of multiplications required to compute x^n is by 2 less than the number of multiplications obtained by Knuth's power tree method.at n=26A115614Primes whose base-8 representation is a perfect square in base 10.at n=20A267490Prime numbersat n=10951