A178582
Smallest emirp corresponding to the prime of A178581.
Original entry on oeis.org
10321, 11731, 12841, 10781, 14081, 13591, 16481, 17491, 11003, 10613, 11903, 12113, 10333, 10253, 13523, 14713, 10853, 13043, 14633, 11083, 12373, 15643, 11783, 10993, 18133, 12893, 14593, 17863, 18773, 32563, 31873, 31193, 31393
Offset: 1
a(14) = 10253 belongs to the emirp pair (10253, 35201) whose average is the prime 22727 = A178581(14) which is also the arithmetic mean of the other emirp pair (11243, 34211).
A178587
Primes that are the average of the members of more than one emirp pair.
Original entry on oeis.org
14741, 22727, 23327, 24547, 25447, 27067, 28277, 42929, 63541, 65761, 85453, 1217171, 1221221, 1227271, 1243421, 1245421, 1246471, 1250521, 1253521, 1257521, 1261571, 1271671, 1283771, 1327231, 1335331, 1338331, 1339381
Offset: 1
25477 is a prime equidistant between the members of each of the emirp pairs (10993, 39901), (13963, 36931), (17923, 32971), (18913, 31981).
A178588
Primes that are the average of the members of exactly 2 emirp pairs.
Original entry on oeis.org
14741, 22727, 23327, 28277, 63541, 65761, 85453, 1217171, 1221221, 1227271, 1243421, 1245421, 1253521, 1261571, 1271671, 1283771, 1327231, 1338331, 1347481, 1359581, 1363631, 1371731, 1415191, 1489841, 1513151, 1514101
Offset: 1
23327 is the prime arithmetic mean of emirp pair (10853, 35801) as well as of emirp pair (15803, 30851), and no other.
A178589
Smallest prime that is the average of the members of exactly n emirp pairs.
Original entry on oeis.org
11311, 14741, 24547, 25447, 1427291, 2278277, 1551551, 2403487, 2477297, 2402537, 2512597, 123085271, 2509597, 124333421, 123974371, 133504831, 132954781, 135166981, 136545131, 134525431, 135955081, 135004981, 145475041
Offset: 1
a(3) = 24547 is the first prime arithmetic mean of 3 emirp pairs, viz., (11083, 38011), (12073, 37021), (18013, 31081), followed by prime 27067, equidistant between members of each of the 3 emirp pairs (14593, 39541), (16573, 37561), (19543, 34591), and continues on with prime 42929, the average of exactly 3 other emirp pairs (10457, 75401), (11447, 74411), (12437, 73421), ...
A178583
Palindromic primes that are the average of the members of emirp pairs.
Original entry on oeis.org
11311, 12721, 13831, 14741, 16061, 16561, 17471, 18481, 34543, 34843, 35153, 35353, 35753, 36563, 71317, 73037, 73237, 73637, 77377, 77477, 78787, 94049, 94349, 94949, 96269, 96469, 1043401, 1123211, 1145411, 1150511, 1160611
Offset: 1
A178584
Smallest emirp corresponding to the prime of A178583.
Original entry on oeis.org
10321, 11731, 12841, 10781, 14081, 13591, 16481, 17491, 32563, 31873, 31193, 31393, 32783, 34583, 70327, 72047, 71257, 70667, 76387, 76487, 77797, 90089, 92369, 90989, 95279, 95479, 1023601, 1013321, 1055321, 1130711, 1040821
Offset: 1
a(4)= 10781 belongs to the emirp pair (10781, 18701) whose average is the palindromic prime 14741 = A178581(4) which is also the arithmetic mean of the other emirp pair (13751, 15731).
A178585
Nonpalindromic primes that are the average of the members of emirp pairs.
Original entry on oeis.org
20507, 21107, 21407, 21617, 21817, 22727, 23027, 23227, 23327, 23537, 24137, 24547, 24847, 25147, 25247, 25447, 25657, 26357, 27067, 27367, 28277, 42829, 42929, 44549, 45659, 47269, 60811, 62731, 63131, 63331, 63541, 63841, 64951
Offset: 1
Showing 1-7 of 7 results.
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