# Number 491

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## Description of the number 491

491 is a natural number (hence integer, rational and real) of 3 digits that follows 490 and precedes 492.

491 is an even number, since it is divisible by 2.

The number 491 is a unique number, with its own characteristics that, for some reason, has caught your attention. It is logical, we use numbers every day, in multiple ways and almost without realizing it, but knowing more about the number 491 can help you benefit from that knowledge, and be of great use. If you keep reading, we will give you all the facts you need to know about the number 491, you will see how many of them you already knew, but we are sure you will also discover some new ones.

## how to write 491 in letters?

Number 491 in English is written as four hundred ninety-one
The number 491 is pronounced digit by digit as (4) four (9) nine (1) one.

## What are the divisors of 491?

The number 491 has 2 divisors, they are as follows:

The sum of its divisors, excluding the number itself is 1, so it is a defective number and its abundance is -490

## Is 491 a prime number?

Yes, 491 is a prime number since it is only divisible by itself and 1

## What are the prime factors of 491?

The factorization into prime factors of 491 is:

4911

## What is the square root of 491?

The square root of 491 is. 22.15851980616

## What is the square of 491?

The square of 491, the result of multiplying 491*491 is. 241081

## How to convert 491 to binary numbers?

The decimal number 491 into binary numbers is.111101011

## How to convert 491 to octal?

The decimal number 491 in octal numbers is753

## How to convert 491 to hexadecimal?

The decimal number 491 in hexadecimal numbers is1eb

## What is the natural or neperian logarithm of 491?

The neperian or natural logarithm of 491 is.6.1964441277945

## What is the base 10 logarithm of 491?

The base 10 logarithm of 491 is2.691081492123

## What are the trigonometric properties of 491?

### What is the sine of 491?

The sine of 491 radians is.0.79045167123434

### What is the cosine of 491?

The cosine of 491 radians is. 0.6125244121199

### What is the tangent of 491?

The tangent of 491 radians is.1.2904819066699