tables > repunit > 20

Base 20 Repunits

Table

Viewing: 289 – 289 << prev next >>

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

* 289: \[{20^{289}-1\over19}\] 3469 × 1904981399318969<16> × 52161701510592104381<20> × 689852631578947368421<21> × [2201466249301380343664820442511487635649114976845535103013194750515351710390679941924266897449967898681163120481912350727187191097511830684376965767442900716238092307177508139466591064804934793025751717076927091543866607504783451125417604276344723261490969547385255609950749193902671243084819407317712748310969022961<316>]

Index range: 289 – 289 << prev next >>