48731

Properties

Appears in sequences

• Smaller of twin prime pairs in consecutively larger seas of composite numbers.at n=33A046928
• Integers that can be expressed as the sum of consecutive primes in exactly 5 ways.at n=18A055000
• Primes expressible as the sum of (at least two) consecutive primes in at least 4 ways.at n=12A067380
• Primes p such that there exist primes p'<p"<p"'<p""<p such that the concatenation of any two among the {p,...,p""} is prime.at n=9A139005
• Noncomposite numbers in the southern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American.at n=27A168027
• Lesser of twin primes p1 such that p1*p2+-6 are prime numbers.at n=18A174955
• Lesser of twin primes p1 such that p1*p2-4 and p1*p2-6 are twin prime numbers.at n=22A174957
• Primes occurring in A213521.at n=40A213522
• Primes p such that 16*p^2 + 10*p + 1 divides 2^p - 1.at n=20A231916
• Primes p congruent to 11 mod 12 such that (p - 1)/2 does not divide the numerator of the Bernoulli number B(p-1).at n=35A232040
• Numbers n such that sigma(Rev(phi(n))) = phi(Rev(sigma(n))), where sigma is the sum of divisors and phi the Euler totient function.at n=11A252255
• Bounding prime for the first k-Ramanujan prime.at n=42A277718
• Primes that are the sum of the cubes of four primes, not necessarily distinct.at n=35A353249
• Smallest prime factor q of (2^(p-1)-1) / (3*p) with prime p such that q is greater than p (increasing p, cf. A359387).at n=23A359650
• Consecutive internal states of the linear congruential pseudo-random number generator (8121*s + 28411) mod 134456 when started at 1.at n=30A385461
• a(n) is the smallest prime p such that Sum_{primes q <= p} Kronecker(-n,q) > 0, or 0 if no such prime exists.at n=27A392284
• Prime numbersat n=5009