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Search: id:A057841
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| A057841 |
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Powers of 2, 2^x, corresponding to extremal cases of A055079. Their nonprime divisor number is the exponent. For these exponents no number exists with 2 or more distinct prime-divisors. Thus 2^x is minimal, it is in fact a term of A055079. |
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2
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| 2, 8, 2048, 34359738368, 2361183241434822606848, 3138550867693340381917894711603833208051177722232017256448
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