tables > repunit > 20

Base 20 Repunits

Table

Viewing: 680 – 680 << prev next >>

(available: 0-999)

Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 680: \[{20^{680}-1\over19}\] 3 × 7 × 11 × 41 × 61 × 137 × 251 × 401 × 1361 × 2801 × 2857 × 3673 × 5101 × 5441 × 148721 × 152381 × 160001 × 222361 × 282881 × 428401 × 2230061 × 2567783 × 2640509 × 92054423 × 455851601 × 18510970711<11> × 45251724385781<14> × 629433157137881<15> × 4406613081041681<16> × 36372797968360681<17> × 230734661278799273<18> × 516285305481654001<18> × 126433576549825993751<21> × 689852631578947368421<21> × 2025046074983629951481<22> × 680653156857066936553996121<27> × 2878870785836948026295038313<28> × 193165810175918904613943865257<30> × 616538645269540162160455855390419188413152562932920852276721781<63> × 34113307283820749584538868774958148074560195294786511429553247410923682161082526984163957940278011106846488165477847022640090054001688576042047897599995893760000000401<167> × [3401409024006208340731440096301999159438693527234266980262444293451759945966861341668916545673378797594845748932545951375354516682064516822872553394719963245444941410787359897997893151727150043238595735746618128906271598886879894224475404025673835523758643799500637827914190618304478989478736524592481<301>]

Index range: 680 – 680 << prev next >>