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30

File:Square_pyramidal_number.svg · Wikimedia Commons · See Wikimedia Commons

EntityQ42817· pop 113· linked from 464 articles

Also known as thirty, number 30, month

natural number

AI overview

"30" is a whole number that comes after 29 and before 31 in the counting sequence. It matters because it's commonly used in everyday life—for example, in measuring time (30 days, 30 seconds), organizing groups, and performing basic math.

AI-generated from the Wikipedia summary — may contain errors.

~2 min read

Encyclopedic overview

← 30 31 32 33 34 35 36 37 38 39 → List of numbers Integers

← 0 10 20 30 40 50 60 70 80 90 →

Excerpted from Wikipedia’s “30” article, available under the CC BY-SA 4.0 licence.