Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 450: | \[{12^{450}-1\over11}\] | 7 × 13 × 19 × 31 × 37 × 61 × 151 × 157 × 181 × 421 × 601 × 661 × 1657 × 1801 × 1951 × 2251 × 9781 × 19141 × 21601 × 22621 × 30781 × 35671 × 60601 × 73951 × 80749 × 303551 × 395251 × 511201 × 1696501 × 5234401 × 21456901 × 22981681 × 76113001 × 80342401 × 438472201 × 6625387201<10> × 47263556341<11> × 9298142299081<13> × 9733315100252251<16> × 12629757106815551<17> × 2991403880190867231178651<25> × 294634605912782337115596451<27> × 11456896809839700811032502651<29> × 304388904961188288704032230609001<33> × 374110001843044626427652579097451<33> × 2363726892633483756321124302681778344117301<43> × 1343235711230135923354931328383711380878864073748114033343851204625354358612964239273501<88> |