Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 381: | \[{9^{381}-1\over8}\] | 7 × 13 × 2287 × 5843 × 22861 × 63247 × 597409 × 681229 × 9044179 × 21520151 × 25312879 × 52147471 × 76082653 × 239803687 × 41757061638619<14> × 399164334498031<15> × 115234069559915311<18> × 2896724388952980361<19> × 982266290002583483831641<24> × 9314856004986223962601399<25> × 301515315752300874236564235591357673<36> × 13030796206528578864006320088875125740738871<44> × 686556699831009964827250042867748094406096323373530163920816265103091925457524336286558608540561<96> |