- 30 (number) - Wikipedia
30 is an even, composite, and pronic number With 2, 3, and 5 as its prime factors, it is a regular number and the first sphenic number, the smallest of the form , where r is a prime greater than 3
- 30（自然数之一）_百度百科
30（三十）是29与31之间的自然数、正整数，是一个偶数，也是一个有理数。 30=2*3*5。
- Number 30 - Curious Math Facts and Interesting Properties
Explore the curious properties of number 30, an even composite number composed of three distinct primes Includes mathematical info, prime factorization, divisors, bases and much more!
- Thirty Facts About The Number 30 - The Fact Site
Numbers each have their own value depending on what importance people give to them, maybe it marks an anniversary, or a lucky number Well, here's 30 facts!
- About The Number 30 - Numeraly
Explore the fascinating world of the number 30! Discover its meanings, facts, significance in math, science, religion, and more Unravel the mysteries behind this intriguing numeral
- 30 (豆瓣)
30 is the name of the long-awaited upcoming fourth studio album by British singer-songwriter, Adele set to be released on November 19, 2021 After six years of musical break, following the release of her 2015 album, 25, the singer is back for her new era
- Treinta - Wikipedia, la enciclopedia libre
El 30 es un número compuesto, que tiene los siguientes factores propios: 1, 2, 3, 5, 6, 10 y 15 Como la suma de sus factores es 42 > 30, se trata de un número abundante
- 30是什么意思_30的翻译_音标_读音_用法_例句_爱词霸在线词典
爱词霸权威在线词典,为您提供30的中文意思,30的用法讲解,30的读音,30的同义词,30的反义词,30的例句等英语服务。
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