tables > repunit > 21

Base 21 Repunits

Table

Viewing: 915 – 915 << prev next >>

(available: 0-999)

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

* 915: \[{21^{915}-1\over20}\] 5 × 211 × 463 × 1831 × 9391 × 15373 × 18181 × 25621 × 40841 × 47581 × 572791 × 12519763 × 57733681069<11> × 1128331159687<13> × 1814065850324073713<19> × 6603983842892247521<19> × 57398774322642953389748085156004642469<38> × 4178836442844651515511329527862686487954990612118576877028484300815594328136337574487489188497255773480504997158374044802523431896824973648289859<145> × [651931515467108294732282458658159904901882518094311979856221194890683664987905666506760613186398488556546836324607545894013486690165398469882484166777827916722411076296025598787758893747280176160897822962689892033347355185165015874698064578296448211727047265682048718904979134218383288759499701<294>] × [3309874336405422344451759861943871681810453995733493691219750208389451417238061542345986540673521832069378287927340437754263670824750901453037666497917392203717288228970848500400517353902750482904634636207425590221182076111980837026803349612625205722870855382675850853832330839030229534286635040026528291417432828749321639397001088512464124688147961764883292666433453862521867626530211688405159865478085904824474942265821404112758222297733034626143513520404081130337652861721007949688663065714947455978355044172503880617740310107748405429716841770268876092362295137018924090917140428753970723169511243357260454263664418827691<625>]

Index range: 915 – 915 << prev next >>