Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 380: | \[{27^{380}-1\over26}\] | 23 × 52 × 7 × 112 × 31 × 61 × 73 × 191 × 229 × 271 × 457 × 571 × 1181 × 1597 × 2281 × 2851 × 3079 × 4561 × 7753 × 11971 × 39901 × 53923 × 79801 × 101917 × 248749 × 363889 × 5301533 × 47763361 × 1162320517 × 1824179209 × 5731756981<10> × 25480398173<11> × 29574984661<11> × 70578185345621<14> × 227486230155721<15> × 4975481820118441<16> × 25349956307509384561<20> × 107919731669693201297881<24> × 3093009324389492947932121<25> × 285624459420362072231818320481<30> × 78958087694609321439660131899631<32> × 6733238586040336762338876960599521<34> × 19563591976917681250519957752816158641<38> × 1605850768243931752986453521337428048981<40> × 182628036364327134179369357252361182954381327717893740841<57> × 127374612609671206099801455938838908563158125266771097155261<60> |