tables > repunit > 21

Base 21 Repunits

Table

Viewing: 987 – 987 << prev next >>

(available: 0-999)

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

* 987: \[{21^{987}-1\over20}\] 43 × 463 × 631 × 3319 × 4789 × 5923 × 6427 × 29611 × 49727 × 227011 × 3896677 × 38571961 × 75042551 × 158545759 × 227633407 × 5298873343<10> × 62754239731<11> × 276533040841<12> × 26050530648193<14> × 471375279539413<15> × 283998024070596529<18> × 85297241991463563433<20> × 9794718038248648833094153<25> × 8734121977906916517213093997<28> × 16557682722621587651041257050155686425265489802868579623<56> × [4611338386490679239105638457535940990887234986220130412171215081856926851132160281472206636468478224002245146644149501062681225818174640613584711127765376783540694052238233694543372600145213734537138163410557311064220164179220265311176491933727480838511316646670696452978060529160931913794585023581326711879713915299165738717416159231<334>] × 2555297888037332975680014407433664066305743566875620118551286915555003826560088515953866202860961262407684523247564095285392506511653775420024478630625556005475510356090842870527104183868524538806793231641777283154472663257972602981496747796681908810690271951075223553419214350295644063097962205354335724031425236836417837226522423761092266743<343> × [113576844357271426317876679458942358241339430838574004005195474761374450794241954666409911374997185683931080766527244389567638443041942226728077385394991329652389251979754761930462133262366664426707142602326457023001973170256017933990204420279556659350922802555516863490008051129157048639935106145827607379039362029499132780098695584172863597772009<348>]

Index range: 987 – 987 << prev next >>