- 3 - Wikipedia
3 (three) is a number, numeral and digit It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number
- 3（阿拉伯数字之一）_百度百科
3（三）是2与4之间的自然数，同时也是奇数、正整数。 是从0开始的第二个质数，3是第三个非零自然数，也是第一个梅森素数。 3的英文为three。 3的二进制=11
- 3 (number) - New World Encyclopedia
3(three) is a number, numeral, and glyph that represents the number It is the natural number [1] that follows 2 and precedes 4 It is an integer and a cardinal number, that is, a number that is used for counting [2] In addition, it is classified as a real number, [3] distinguishing it from imaginary numbers
- 3 - 维基百科，自由的百科全书
3 （三）是 2 与 4 之间的 自然数，是第2個 質數，亦是一個 正整數。 第2個 奇數，前一個是1，下一個是5。 第2個 質數。 前一個為 2 、下一個為 5。 第1对 孿生質數 之一，為（3、 5）以及（2 、 3）。 ）。 前一個是 2 、下一個是 5 第2個 危險質數。 前一個是 2 、下一個是 13。 下一個為 7。 高斯質數 之一。 第3個 虧數， 真因數和 為1，虧度為2。 前一個為 2 、下一個為 4。 第2個 不尋常數，大於平方根的質因數為3。 前一個為 2 、下一個為 5。 第3個 無平方數因數的數。 前一個為 2 、下一個為 5。 第4個 斐波那契數。 前一個為 2 、下一個為 5。 第2個 十进制 的 自我數。 前一個為 1 、下一個為 5。
- 3 (number) - Simple English Wikipedia, the free encyclopedia
Three is an important number for many cultures (groups of people living together) It is also a prime number It is the first odd prime In Roman numerals, it is III three gifts of the wise men (Magi) who visited Christ at his birth in the Gospel of Matthew
- 3 - Wiktionary, the free dictionary
A West Arabic numeral, ultimately from Indic numerals (compare Devanagari ३ (3)), from a cursive form of three lines to represent the number three See 3 § Evolution of the Arabic digit for more 3 (prev 2, next 4) The cardinal number three
- The number three - Britannica
The number 3 is a very mystical and spiritual number featured in many folktales (three wishes, three guesses, three little pigs, three bears, three billy goats gruff) In ancient Babylon the three primary gods were Anu, Bel (Baal), and Ea, representing Heaven, Earth, and…
- Number 3 Meaning of the Number 3 - Fun Facts - MysticalNumbers. com
Number 3 is the number of good fortune The Pythagoreans taught that the number three was the first true number Three is the first number that forms a geometrical figure – the triangle Three was considered the number of harmony, wisdom and understanding Three is the number of time: Past Present Future Birth Life Death Beginning Middle End
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