Fermat number
plural of vanishing point
The second largest city in Armenia and the capital of the Shirak Province in the northwestern part of the country.
plural of sermonist
(number theory) An integer which is one more than two raised to a power which is itself a power of two (i.e., is expressible in the form 22ⁿ+1 for some n>0); equivalently, a number that is one more than two raised to some power (is expressible as 2ⁿ+1) and is prime.
定義は単純でも、2^(2^n)+1 の形をした整数(フェルマー数)は予想外の約数に関する性質で数学者を驚かせることがある。
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DiQt(ディクト)
無料
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