This is a free online math calculator together with a variety of other free math calculators that compute standard deviation, percentage, fractions, and more.

The number of days in the months April, June, September and November (and in unusual circumstances February—see February 30). Although the number of days in a month vary, 30 …

Jan 29, 2016 · 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!

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

Mobile and telephony Number 30 or +30 or 0030 is a dial the international call prefix for Greece. (00/+) is dial the international call prefix.

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 …

30 is an abundant number (aka excessive number) in that the sum of its divisors (72) exceeds 2n. 30's abundance is thus calculated as: 72 - (2∗30) = 12. 30 is a highly abundant number.

From its role in geometry, astronomy, and religion, to its presence in everyday life, the number 30 has a wide range of applications and meanings that will pique your curiosity. Join us as we …

Jan 8, 2026 · 30 Add to list Definitions of 30 noun the cardinal number that is the product of ten and three synonyms: XXX, thirty

How to read 30 number in words in English and other languages. Learn the spelling, pronunciation, and word form of 30.