sphenic number
(mathematics) A positive integer that is the product of three distinct prime factors.
(taxonomy) A name that has been protected by the International Commission for Zoological Nomenclature and is valid to be used although it is known it does not comply with the requirements of the In...
plural of withanoside
The state of being excessively pleased with oneself; smugness. / A feeling of fulfillment or contentment with respect to one's own accomplishments or situation.
数学者は講義中に、30が3つの互いに異なる素数の積である正の整数である理由を説明した。
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