tables > repunit > 21

Base 21 Repunits

Table

Viewing: 746 – 746 << prev next >>

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

* 746: \[{21^{746}-1\over20}\] 2 × 11 × 1320505731067<13> × 1788366069793<13> × [228530664845538947393612418444835477314108645316013629262565433902441689636859007830860659885420091192988311557582118014132494383965782921418350990077437065422446122234513616172559534146500937334833734494733023953435025137799573632074696724390091385804566005147823426140800347310544202316266407581175516074946369562657914758399590318349054301391336267731360535950485016892972565714429554978521314413482241546099403663939822945840504768276206955045693028024848413083583907440075601764739421638017629474272854543466184148477071246596560819124290451745272690433745810078017470546393988005994392130375642320984134027527316301608696154888226253245982677590867797149462317906460448867010377333722400367839677283992460764871884450476296319325432912867187181590038807772493733268667404546306621222521909400359151226966062128581151346774322843036535642825877931722722106685207552422047841222106628715268276399680169333780616254443879377625496349976961204661842595107903<960>]

Index range: 746 – 746 << prev next >>