Smallest number beginning with 1 and having exactly n divisors.

Terms

a(0) =1a(1) =11a(2) =121a(3) =10a(4) =16a(5) =12a(6) =15625a(7) =102a(8) =100a(9) =112a(10) =1024a(11) =108a(12) =13841287201a(13) =192a(14) =144a(15) =120a(16) =152587890625a(17) =180a(19) =1040a(20) =1600a(21) =11264a(23) =1020a(24) =1296a(25) =12288a(26) =1764a(27) =1344a(29) =1008a(30) =1073741824a(31) =1080a(32) =123904