40949

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 10x + 9.at n=15A023329
• Primes that remain prime through 5 iterations of the function f(x) = 10x + 9.at n=5A023357
• Primes having only 0,4,6,8,9 as digits.at n=40A061372
• Primes such that successive differences are increasing palindromes.at n=23A087581
• Primes p such that 2*p+1 and ((2*p+1)^2 + 1)/2 = p^2 + (p+1)^2 are primes.at n=40A098717
• Primes with a prime number of partitions into prime parts.at n=36A146949
• Smallest prime such that if up to n copies of the final digit are appended to the number, it remains prime, but it does not for n+1 copies.at n=6A237263
• Primes p such that each decimal digit of p is equal to the difference of two other digits of p.at n=32A255892
• Primes p such that (p^2+2)/3 and (p^4+2)/3 are prime.at n=34A256811
• Primes p such that prime(p)^2 - 2 = prime(q) for some prime q.at n=39A261354
• Table read by antidiagonals: A(n,1) = 2n-1, and for k > 1, A(n,k) = A372289(A(n,k-1)+A(n,1)).at n=48A372313
• Primes having only {0, 4, 9} as digits.at n=13A385768
• Primes having only {0, 2, 4, 9} as digits.at n=38A386048
• Primes having only {0, 4, 5, 9} as digits.at n=25A386071
• Primes having only {0, 4, 6, 9} as digits.at n=21A386073
• Primes having only {0, 4, 7, 9} as digits.at n=39A386075
• Primes having only {0, 4, 8, 9} as digits.at n=21A386076
• Prime numbersat n=4288