tables > repunit > 20

Base 20 Repunits

Table

Viewing: 489 – 489 << prev next >>

(available: 0-999)

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

* 489: \[{20^{489}-1\over19}\] 421 × 2609 × 289489 × 39131523449<11> × 631612844763349<15> × 1678481548642241041<19> × 1959065072224641006319<22> × 95429775858445039129131053586733157861653052516144458305918156705941649399697284182341073814660030767197158276193914366390169405269705059782924097489474263497273399505335900534859369<182> × [34111356586496943751525488419062542943562055594316517054586875474712230690653318997905363153539670594479772800601004697326657034848641173482341877321088379949293013664534578259699209828898256314362387079935244476459433688810858371935069069796381786338296473315681507668695762668987206030960124590652231721508199085879482356436723567130517263068038033084452778024970454459310851<377>]

Index range: 489 – 489 << prev next >>