Search a number
Chen prime  and  star n.

First numbers that belong to both sets:

13, 37, 181, 337, 541, 937, 2281, 3037, 5581, 6337, 7561, 10837, 13537, 21961, 25741, 42841, 57037, 60601, 65521, 71941, 102181, 110161, 113437, 178537, 182701, 206461, 215461, 229321, 238801, 258337, 270937, 283837, 291721, 305101, 318781, 445537, 489061, 502861, 556321, 612481, 616321, 703837, 914941, 957601, 1148437, 1239421, 1272361, 1283437, 1294561, 1619281, 1656901, 1669537, 1752841, 1911961, 1987201, 2001037, 2106337, 2178037, 2531101, 2778481, 2902321, 2961037, 3325681, 3352537, 3370501, 3379501, 3470161, 3534337, 3692641, 3864037, 3980461, 4887037, 4919581, 5028841, 5183821, 5500837, 6862981, 7069861, 7266601, 7627537, 7736161, 7804441, 8038837, 8080561, 8276701, 8575321, 9233041, 10225981, 11467837, 11937061, 12106921, 12141037, 12175201, 13780441, 13816837, 14704741, 15082861, 15273721, 15465781, 15504337, 15697837, 15756121, 15834001, 16285537, 16623361, 17289037, 18280621, 18322537, 18575041, 19106641, 19494037, 20258437, 20657281, 21150037, 23037841, 23510521, 24252661, 24494521, 25079881, 25449241, 26725261, 27593281, 27747901, 28370701, 28396801, 29904337, 31864321, 31947337, 32224837, 32280481, 32699341, 32980081, 34545601, 34574401, 36029701, 36088537, 36976837, 38420581, 38572561, 38785837, 39091537, 39152821, 39244837, 40856941, 40950937, 41202121, 41359501, 41801761, 42789421, 43174837, 45358501, 45788437, 48070381, 49060441, 49783681, 49852837, 49956661, 52943221, 55833301, 57753037, 58125937, 58575001, 59063437, 60502801, 61152337, 62888437, 63082837, 64530721, 65439037, 65756461, 69993841, 70281037, 70815961, 72266221, 73731181, 75849481, 77091841, 77781601, 77997781, 79913101, 83276101, 85526401, 86890981, 88036381, 88496641, 90070501, 91845937, 92645821, 96216121, 98050837.