tables > repunit > base18

Base 18 Repunits

Table

Viewing: 421 – 421 << prev next >>

(available: 0-999)

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

* 421: \[{18^{421}-1\over17}\] 4765721 × 1643597760862733213321137<25> × [22148869910750448064892864113896343853799122796184132286744087724166022866219723320251459597541295170494382507504242039573672490879078861761236042543710384584055570989412808449574286938466845105245844232804172034297545867656547078181036368407921212608895536469372392041464792631031600919666268328340677727142096848597238097567133846265866241326752020386205033119890069849859515518491496598961916969391112700620832615721354791961948061889227982649877050989646909465924376306451833278648727743757463<497>]

Index range: 421 – 421 << prev next >>