Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
59: | \[{27^{59}-1\over26}\] | 709 × 14425532687<11> × 489769993189671059<18> × 2224898159852613649<19> × 9736622508037946817946068730077829<34> |