File:Square_pyramidal_number.svg · Wikimedia Commons · See Wikimedia Commons
Also known as thirty, number 30, month
liczba naturalna
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.
Wikidata facts
- Instance of
- composite number
- Followed by
- 31
- Follows
- 29
- Image
- Property number 30.jpg
Show 9 more facts
- code
- 11110
- Commons category
- 30 (number)
- numeric value
- 30
- prime factor
- 5
- Unicode character
- ㉊
- number of decimal digits
- 2
- name in hiero markup
- V20-V20-V20
- maintained by WikiProject
- WikiProject Mathematics
- topic's main category
- Category:30 (number)
Sources (3)
via Wikidata · CC0
Article · Polski
30 (trzydzieści) – liczba naturalna następująca po 29 i poprzedzająca 31.Warunek podzielności zapisanej w systemie dziesiętnym liczby przez 30 to, aby suma cyfr była podzielna przez 3, a cyfra jedności równała się 0.
Abstract from DBpedia / Wikipedia · CC BY-SA
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