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.

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Dec 15, 2016 · 1 : a number equal to three times 10 see number 2 plural : the numbers 30 to 39 especially : the years 30 to 39 in a lifetime or century thirtieth -ē-əth

30 is the first sphenic number, that is the smallest number with 3 distinct prime divisors 30 is the largest number with the property that all smaller numbers relatively prime to it are prime.

30 is the index number for Fibonacci number, F 30 = 832040 = 5∗11∗23∗31∗61 = the largest Fibonacci number with 6 digits. 30 is the smallest integer with three distinct prime divisors.

Define 30. 30 synonyms, 30 pronunciation, 30 translation, English dictionary definition of 30. Noun 1. 30 - the cardinal number that is the product of ten and three thirty, XXX large integer - an …

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.