tables > repunit > 21

Base 21 Repunits

Table

Viewing: 139 – 139 << prev next >>

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

139: \[{21^{139}-1\over20}\] 4329622389913701641<19> × 687423001115670029908380379<27> × 1717466079724751615975579073185741<34> × 242224065084426595683370880085175862126081<42> × 248126091920645287176283880883366502408919085389410430715613361<63>

Index range: 139 – 139 << prev next >>