150287

Properties

Appears in sequences

• Primes such that successive differences are increasing palindromes.at n=28A087581
• Smallest prime factor of composite Mersenne numbers: lpf(2^p-1) where 2^p-1 is composite and p is prime.at n=25A136030
• a(n) is the least start of a run of exactly n consecutive prime numbers which are digitally balanced numbers in base 2 (A031443).at n=7A337306
• Initial prime in the least binary Ormiston n-tuple: n consecutive primes whose binary representations are anagrams of each other.at n=7A339081
• a(n) is the least prime factor (> 3) in the factorization of 2^(2*prime(n))-1.at n=37A363673
• Square array read by antidiagonals in ascending order T(n,k), n > 1 and k > 0, representing the least prime p that starts a run of exactly k consecutive primes, all having the same sum of digits in base n > 1, or -1 if no such number exists.at n=35A375765
• Prime numbersat n=13874