tables > repunit > 21

Base 21 Repunits

Table

Viewing: 449 – 449 << prev next >>

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

* 449: \[{21^{449}-1\over20}\] 87107 × 272799829 × 1165550308744421107<19> × [857048039179773368059423561523609583131663140041391947290921433728101110129797761415903684599091397425148106873215823189222709686369915298531412697058885227416595678056201471803625508403503543650120918358568420968367773646811904665263720147857762250132582474835094389013634570446372221421749751388776426802498106273053032297404502416816586475802744752734871532378842511374936178604626657885139471402787776995410718827181401085453691453633769075823303099441761875855726441961718564360890492770862414718379409843919154886772038756057117027525168491848339435057989<561>]

Index range: 449 – 449 << prev next >>