Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 416: | \[{27^{416}-1\over26}\] | 26 × 5 × 7 × 13 × 17 × 41 × 53 × 73 × 79 × 97 × 157 × 193 × 313 × 577 × 769 × 1249 × 2887 × 6481 × 6553 × 7333 × 10141 × 13729 × 76801 × 325729 × 398581 × 797161 × 1614913 × 20634017 × 21523361 × 33616129 × 309746737 × 475356961 × 2093124281 × 4795973261<10> × 24127552321<11> × 136490566369<12> × 37644053098601<14> × 271722723752757889<18> × 2763736726854088129<19> × 7810345206130739694241<22> × 4765489261836814334614753<25> × 237093163901955071601055777<27> × 780464337846444296785447886881<30> × 20795134293690804171286866969789777553<38> × 439593550072300534251634135007764475254567347223143808588769<60> × 1638935349465726718297161502167784862984878226778514310842031069208037517662970307719623340118242591147671054425318862910756382428119443936168388554557618769614394585988573311467370241<184> |