30161

Properties

Appears in sequences

• a(n) is the n-th prime whose decimal expansion begins with the decimal expansion of n.at n=29A077345
• Primes of the form p^3 + q^3 + r^3, where p, q and r are primes.at n=36A123597
• Prime numbers n such that n = p1^3 + p2^3 + p3^3, a sum of cubes of 3 distinct prime numbers.at n=14A137365
• Subsequence of A137365 where it is possible to choose p1, p2, p3 so that p1+p2+p3 = prime.at n=14A137366
• Primes p such that all the digits needed to write the consecutive Primes from 2 to p fill exactly a square (no holes, no overlaps).at n=34A158024
• Primes equal to the sum of both two and three successive semiprimes.at n=25A255897
• Primes of form n^2 + 28561.at n=6A256841
• Numbers n such that prime(n) contains a substring of all the prime digits in order, i.e., "2357".at n=16A295708
• Primorial base emirps: prime numbers whose primorial base reversal is a different prime.at n=16A333425
• Primes p such that (q*s-p*r)/2 and |p*s-q*r|/2 are both prime, where p,q,r,s are consecutive primes.at n=34A341802
• Primes p such that the sum of cubes of the 4 consecutive primes starting with p is twice a prime.at n=39A368637
• Prime numbersat n=3262