tables > repunit > 21

Base 21 Repunits

Table

Viewing: 875 – 875 << prev next >>

(available: 0-999)

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

* 875: \[{21^{875}-1\over20}\] 53 × 43 × 251 × 631 × 1471 × 3319 × 21001 × 40841 × 81901 × 2031851 × 4149601 × 20028751 × 24602533201<11> × 421503321597121<15> × 27385718497004633851<20> × 37686242599452410706868538086801<32> × 61856751975900984009042515310001<32> × 1022489037962669248379370596767610133652264632743914995422849949035287375154623906974122897251<94> × 6107498812503060189977652663684219147254525910663051537427182386752756045066004222730822829713729595685422017301<112> × [21457387308925775636674617966298087744509011578456388929138186483141561583014565997952599940385952385350919677229635495006348140022215850108906732688767425419990057865301514205717950029868626695516090463744225386325732986208942925591807125137519113000625916736572104606766763621999919169624602635192473709677625537331008376649932336643531236775103744094673581056119134838087745372257736201776597988858924196555416868798225718034222594057084048735827596809654221281672080322917401342773787846896676605769059472772814027621042745980237908880537680453029931557352740379454315670237121763596966107933695814736494436192198400372142468983804893845732906364253259209681856413625172534934911348438379610026422832804726353378745437017251752026017939513154663338544257443821981529271721082404047410746001<794>]

Index range: 875 – 875 << prev next >>