47533

Properties

Appears in sequences

• Prime number spiral (clockwise, Southeast spoke).at n=35A054564
• 100000n+1, 100000n+3, 100000n+7, 100000n+9 are all primes.at n=12A064964
• Primes of the form k^2 + 9.at n=27A138353
• Primes of the form n^2+number of divisors of n^2.at n=31A188665
• The smallest prime(m) such that prime(m) = (prime(m+k)+prime(m-k))/2 for n values of k.at n=18A189802
• Primes of the form 6n^2 + 7.at n=37A201601
• Primes that remain prime when a single digit 3 is inserted between any two consecutive digits or as the leading or trailing digit.at n=34A215419
• Primes p such that p + 4, p + 16, p + 64, p + 256 and p + 1024 are all semiprimes.at n=37A241493
• Number of length 2+2 0..n arrays with some pair in every consecutive three terms totalling exactly n.at n=33A245871
• Analog of Motzkin numbers for Coxeter type D.at n=10A298300
• Prime numbersat n=4901