- 29（自然数之一）_百度百科
29是介于28与30之间的自然数，29属于奇数，中文大写为“贰拾玖”。 作为素数，其仅能被1和自身整除，属于整数、有理数范畴，在数学领域具有基础研究价值。
- 29 (number) - Wikipedia
29 (twenty-nine) is the natural number following 28 and preceding 30 It is a prime number 29 is the number of days February has on a leap year 29 is the tenth prime number 29 is the fifth primorial prime, like its twin prime 31
- Number 29 facts
The meaning of the number 29: How is 29 spell, written in words, interesting facts, mathematics, computer science, numerology, codes 29 in Roman Numerals and images
- Number 29 - Facts about the integer - Numbermatics
Your guide to the number 29, an odd number which is prime Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun
- 29 (Number)
The number 29 can be divided by 2 positive divisors (out of which none is even, and 2 are odd) The sum of these divisors (counting 29) is 30, the average is 15
- Twenty-Nine Facts About the Number 29 - The Fact Site
On July 29, 2005, astronomers announced their discovery of Eris - a dwarf planet that orbits the Sun directly Is twenty-nine your lucky number or birthday? Maybe you just want to know how awesome this number actually is Well, why not check out the top 29 facts about this special number? The Number 29 is the tenth prime number
- Facts about the number 29. The importance of twenty nine in . . . - HubPages
In religion, there are 29 principles given by Guru Jambheshwar In music, “29” is a song by The Gin Blossoms Other song titles which include 29 in their name are “29 X the pain”, “29 ways” and “11 months and 29 days” Ryan Adams, an American singer song writer, made an album called 29 In chemistry, the atomic number of Copper is 29
- 29 - 维基百科，自由的百科全书
29 （二十九）是 28 与 30 之间的 自然数。 第10個 質數。 前一個為 23 、下一個為 31。 第5对 孿生質數，為（29、 31）。 質數階乘質數。 第6個 危險質數。 前一個是 19 、下一個是 31。 此數字雖然是 自然 質數，但不是高斯質數。 前一個有此性質的自然質數是 17 、下一個是 37。 （OEIS 數列 A002313） 第23個 虧數， 真因數和 為1，虧度為28。 前一個為 27 、下一個為 31。 第19個 不尋常數，大於平方根的質因數為29。 前一個為 28 、下一個為 31。 第18個 無平方數因數的數。 前一個為 26 、下一個為 30。 第5個 佩爾數。 前一個為 12 、下一個為 70。 第3個同時是 配爾數 和 盧卡斯數 的數，前一個是 2。
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