tables > repunit > 21

Base 21 Repunits

Table

Viewing: 855 – 855 << prev next >>

(available: 0-999)

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

* 855: \[{21^{855}-1\over20}\] 5 × 211 × 463 × 571 × 9391 × 18181 × 28387 × 40841 × 304609 × 41489011 × 57815101 × 85775383 × 3263277133 × 12061389013<11> × 19449969211<11> × 54921106624003<14> × 1769098309517989<16> × 22554946693833031<17> × 22642982303219821<17> × 619598441951897251<18> × 2522688573446019221<19> × 694155614288478272051619864571<30> × 201773586986282524421768503820293<33> × 1244541772187848099210936765314595053007129<43> × 4962575794097659196896553056277931780683391554141<49> × 1906545596109201001931181173321063934469362055720076288290431439788614388343220743<82> × [66470322838106444567481701411888139523258442754511850465204782608795045255251352068847644054704322699705340905151687277116022706671410660051638592550233913801<158>] × [697989027405843485600857911979679825780507128834905212072458645469438394232667591517371394564993645446949909422084140871452178605127587117548300641729272825404923896090031524621907546303192057618486393516613925842674894631933718720101429263370660838223904411137318271688759914353223053177607792416867244215961506932032602539128550702120859740526518245949494811811001176525172848231339416256750879998370341173035025549746435427045910278987512076474052858356245794139766536956941412713470478449016097693731617113768748248674180166355924329495191568188010501<555>]

Index range: 855 – 855 << prev next >>