289 (عدد)

289 هو عدد صحيح says: "ℕ is the set of natural numbers (positive integers)" (p. 3) include zero in the natural numbers: "Intuitively, the set  of all "natural numbers" may be described as follows:  contains an "initial" number 0; ...". They follow that with their version of the Peano Postulates. (p. 15) طبيعي بين 288 و290

 في الرياضيات 

 خصائص 

 289 عدد فردي
 289 مربع كامل
 289 عدد ناقص
 289 عدد مضلعي

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تصنيف:أعداد أصلية