tables > repunit > base4

Base 4 Repunits

Table

Viewing: 69 – 69 << prev next >>

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

69: \[{4^{69}-1\over3}\] 3 × 7 × 47 × 139 × 178481 × 2796203 × 168749965921<12> × 10052678938039<14>

Index range: 69 – 69 << prev next >>