Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 520: | \[{16^{520}-1\over15}\] | 5 × 11 × 17 × 31 × 41 × 53 × 131 × 157 × 257 × 521 × 1613 × 2081 × 2731 × 8191 × 42641 × 51481 × 61681 × 65537 × 409891 × 414721 × 858001 × 928513 × 5746001 × 7623851 × 34110701 × 308761441 × 2400573761 × 4278255361 × 18558466369<11> × 19868746561<11> × 23877647873<11> × 65427463921<11> × 21316654212673<14> × 44479210368001<14> × 108140989558681<15> × 145295143558111<15> × 3377549010888001<16> × 201219077319973441<18> × 715668470267111297<18> × 7580827241843270677601<22> × 173308343918874810521923841<27> × 78919881726271091143763623681<29> × 1493088790381629762730439505281<31> × 37363769421172422182780447669037406234152610941283248995871866881<65> × 1930727566290740909553288102283566323689146661308147249461003138242419246570241601<82> × 2676501623706695837455626326685295666695022768165158012094138798717925358377096097963386012898646417921<103> |