tables > repunit > 21

Base 21 Repunits

Table

Viewing: 556 – 556 << prev next >>

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

556: \[{21^{556}-1\over20}\] 22 × 11 × 13 × 17 × 557 × 25577 × 19358809 × 97986661 × 4329622389913701641<19> × 109082531683019364259<21> × 4030571091345838215808589<25> × 687423001115670029908380379<27> × 1717466079724751615975579073185741<34> × 242224065084426595683370880085175862126081<42> × 248126091920645287176283880883366502408919085389410430715613361<63> × 635239496226648983853711535894519099902980213075405281503577524082602021376168250061303937317393992784565655062032185211749689140575805731<138> × 3160758206427646160087214504855931802408716650971934691284390509535629432739333838786147153871659603562748075567782204194607933172834720203997674558663131180120197062383804384544636288087153692364675592406647818250455067575505807054846254821016451844128039993240973840431485502406112144962267897843032598630196553912595565476969409363090040601<343>

Index range: 556 – 556 << prev next >>