tables > repunit > 20

Base 20 Repunits

Table

Viewing: 681 – 681 << prev next >>

(available: 0-999)

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

* 681: \[{20^{681}-1\over19}\] 421 × 14777701 × 596842267552191943501<21> × 1622286038109940054459<22> × [1135155649143184833459663793137668659942616607264866209730678326282778947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421052631578947368421<295>] × [77222180096715411285413615308117190652974395027384078682544820796160156649456005915856840911145649705493268418424052427563004264041495190988489683931254697188132263818373446030228219081529972708535437188515779514092668216516749830261274635927235688133237814828451913624123434123108783078739496652721611478277451172902209450237690608379764192129020690751529729393270794263550329750154423020289873852931115658456618487471770967590724825566155134815994601228081605904790983772064261162985404852639391774423004054737833318967142064373188510359<539>]

Index range: 681 – 681 << prev next >>