Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 552: | \[{19^{552}-1\over18}\] | 24 × 3 × 5 × 73 × 132 × 17 × 47 × 127 × 139 × 181 × 277 × 691 × 769 × 2347 × 2531 × 3833 × 4297 × 5521 × 32569 × 320713 × 1530559 × 3952393 × 9555459481<10> × 16497763013<11> × 34409530237<11> × 1335495402823<13> × 1714618866808633<16> × 71425475193776503<17> × 1552450817964462079<19> × 156832034288392140949<21> × 1831468906853322564673<22> × 4727618051656780294153<22> × 167026691666949955561753<24> × 699034638901535858511590284362577<33> × 183635682448662451179177971992641803019682323350468485561<57> × 868646016483150917671312655379304833574713055208548332182449<60> × 34003078904969754612340278227533300855029145143025334674649875227429129104248316720327953196876142884505207622321<113> × [1957586610802012465313878591677886758908257905734460800768520323382805618521133579610239415824578464318207917151515053829480239704974814311265114707888385886371779681312895753574297244281094060474009<199>] |