tables > repunit > 21

Base 21 Repunits

Table

Viewing: 109 – 109 << prev next >>

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

109: \[{21^{109}-1\over20}\] 252649631352967<15> × 243559381356675673<18> × 1075844735830122358017703049625189977667287013021268821502115973717283800539785976074877960131456456976157869419<112>

Index range: 109 – 109 << prev next >>