tables > repunit > base18

Base 18 Repunits

Table

Viewing: 257 – 257 << prev next >>

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

* 257: \[{18^{257}-1\over17}\] 3215071 × 8507729 × 28275748822874524849<20> × 2376420041104382604813253711<28> × [1288971612974311310616228941204318806739238205103798043858878696841090394979247949730777658371847822912838234536474088164416415722321022115857771906128469393569210428109691996760198798478214630803353291218563426633056202272300297226474160774755441716920699824351<262>]

Index range: 257 – 257 << prev next >>