Numbers with 4 or more prime factors (with multiplicity) such that every concatenation of their prime factors is prime.

A217265

Numbers with 4 or more prime factors (with multiplicity) such that every concatenation of their prime factors is prime.

Terms

    a(0) =21249a(1) =33271a(2) =89937a(3) =146461a(4) =147833a(5) =148519a(6) =164297a(7) =175257a(8) =211631a(9) =216953a(10) =234269a(11) =254849a(12) =261023a(13) =269941a(14) =311229a(15) =318033a(16) =348823a(17) =377001a(18) =390447a(19) =520209a(20) =561491a(21) =848239a(22) =941679a(23) =943679a(24) =957447a(25) =960957a(26) =1012879a(27) =1110159a(28) =1221431a(29) =1410399

External references