29669

Properties

Appears in sequences

• Smaller member of a twin prime pair with a triangular sum.at n=15A086816
• Numbers n such that p1=2n+3, p2=4n+5, p3=6n+7 and p4=8n+9 are all prime.at n=19A105653
• Primes with digit sum = 32.at n=28A106768
• a(n) = 2 + floor((1 + Sum_{j=1..n-1} a(j))/5).at n=53A120171
• Slowest increasing sequence that starts with 2 and has property that multiplying two consecutive terms gives a number which does not share a digit with either of the two terms.at n=49A129513
• Father primes of order 11.at n=30A136080
• Primes of the form (2+n)*(1+2*n)+(1+n)*(2+2*n).at n=24A171748
• Number of 0..n arrays of length 3 with 0 never adjacent to n.at n=29A212836
• Primes q = 4*p+1, where p == 2 (mod 5) is also prime.at n=48A221981
• Smaller of the two consecutive primes whose sum is a triangular number.at n=36A225077
• Primes p such that p*q*r + 6 and p*q*r - 6 are primes where q and r are the next two primes after p.at n=21A240715
• Expansion of Product_{k>=1} 1/(1 - A000009(k)*x^k).at n=21A270995
• Numbers k such that 399*2^k+1 is prime.at n=32A323044
• Difference 2*k - A003961(k) computed for k for which this difference divides difference (A003961(k)-sigma(k)), where A003961 is fully multiplicative with a(prime(i)) = prime(i+1).at n=60A379216
• Primes having only {2, 6, 9} as digits.at n=21A385788
• Primes having only {0, 2, 6, 9} as digits.at n=37A386052
• Primes having only {2, 4, 6, 9} as digits.at n=39A386156
• Primes having only {2, 5, 6, 9} as digits.at n=42A386161
• Primes having only {2, 6, 8, 9} as digits.at n=41A386167
• Prime numbersat n=3219