251287

Properties

Appears in sequences

• Primes p for which p^i + 4 is prime for i = 1, 3 and 5.at n=23A243780
• Prime numbers p such that the set of composite numbers in the range [p+1, nextprime(p)-1] has more than one element and all the elements have the same number of divisors.at n=29A332740
• Prime numbersat n=22144