tables > repunit > 21

Base 21 Repunits

Table

Viewing: 473 – 473 << prev next >>

(available: 0-999)

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

* 473: \[{21^{473}-1\over20}\] 7130003 × 28464058723<11> × 17513875027111<14> × 35842614220783025524408588074144786493150233831596714503<56> × [10081564891719993223485517645213658201641743072458940517397093068783522214895565839113997178148226710595827178825889733099529704772495060405369307339769849888700381092266803092298350627391579344308714992605929356054878942152689668990277930347414638244446193245401765418900638696739264487957113782325787795325368105268857138187054630411904562889832751916705044710104546057502638666285681629626712654358417570045835530263090347922846961267808524788244996716515030688869448699946977963203128836024476394420295247678385114180854468472068349729<539>]

Index range: 473 – 473 << prev next >>