90007

Properties

Appears in sequences

• a(n) and a(n)+4^k are primes at least for k=1,2,3,4.at n=28A049494
• Primes p such that the differences between the 5 consecutive primes starting with p are (4,6,2,4).at n=7A078954
• Happy primes of the form a*10^k + b with single-digit a and b, a > 0, k > 0.at n=20A109902
• Larger of 3 consecutive prime numbers such that p1*p2*p3 + d1 + d2 - 1 = average of twin prime pairs, d1 (delta) = p2 - p1, d2 (delta) = p3 - p2.at n=20A153405
• Naughty primes: primes in which the number of zeros is greater than the number of all other digits.at n=7A164968
• The n-digit prime with the largest number of zero decimal digits, the largest of these if there are more than one. Zero if no such prime exists.at n=4A177998
• Prime numbers ending in James Bond number ''007''.at n=15A193552
• Primes of the form 9n^2 + 7.at n=23A201707
• Number of -n..n circular arrays x(0..6) of 7 elements with zero sums of x(i) and x(i)*x((i+1) mod 7).at n=7A202009
• Primes that contain only the digits (0, 7, 9).at n=27A261181
• Initial member of 6 consecutive primes a, b, c, d, e, f such that both (f + a)/(d - c) and (e + b)/(d - c) are prime.at n=37A293619
• a(1) = 1, for n > 0, a(n+1) is the least prime number > a(n) whose binary expansion ends with the binary expansion of a(n).at n=7A329875
• Primes p such that if q and r are the next two primes, (p - 1)^2 + 1, (q - 1)^2 + 1 and (r - 1)^2 + 1 are all prime.at n=10A376605
• Primes p such that p + 4, p + 12 and p + 16 are also primes.at n=32A384298
• Primes containing the digit string "007" in their decimal representation.at n=23A386240
• Primes containing 000 as a substring.at n=7A386247
• Prime numbersat n=8715