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91

File:Square-pyramidal-91.png · Wikimedia Commons · See Wikimedia Commons

EntityQ690992· pop 75· linked from 437 articles

Also known as ninety one, ninety-one

número natural

AI overview

91 is a natural number that comes after 90 and before 92. It's notable because despite appearing to be prime at first glance, it's actually composite—equal to 7 multiplied by 13—making it a classic example used to illustrate that not all odd numbers are prime.

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

Wikidata facts

Instance of
cabtaxi number
Show 6 more facts
code
133
maintained by WikiProject
WikiProject Mathematics
Commons category
91 (number)
numeric value
91
prime factor
Q37141
number of decimal digits
2

via Wikidata · CC0

Article · Español

El noventa y uno (91) es el número natural que sigue al noventa y precede al noventa y dos.

Abstract from DBpedia / Wikipedia · CC BY-SA

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