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bn:02575135n
Noun Concept
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No term available
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In mathematics, a Riesel number is an odd natural number k for which k × 2 n − 1 {\displaystyle k\times 2^{n}-1} is composite for all natural numbers n. Wikipedia
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عدد طبيعي
عدد فردي
NAMED AFTER
Hans Riesel

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