# Number 61

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## Description of the number 61

61 is a natural number (hence integer, rational and real) of 2 digits that follows 60 and precedes 62.

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

The number 61 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 61 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 61, you will see how many of them you already knew, but we are sure you will also discover some new ones.

## how to write 61 in letters?

Number 61 in English is written assixty-one
The number 61 is pronounced digit by digit as (6) six (1) one.

## What are the divisors of 61?

The number 61 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 -60

## Is 61 a prime number?

Yes, 61 is a prime number since it is only divisible by itself and 1

## What are the prime factors of 61?

The factorization into prime factors of 61 is:

611

## What is the square root of 61?

The square root of 61 is. 7.8102496759067

## What is the square of 61?

The square of 61, the result of multiplying 61*61 is. 3721

## How to convert 61 to binary numbers?

The decimal number 61 into binary numbers is.111101

## How to convert 61 to octal?

The decimal number 61 in octal numbers is75

## How to convert 61 to hexadecimal?

The decimal number 61 in hexadecimal numbers is3d

## What is the natural or neperian logarithm of 61?

The neperian or natural logarithm of 61 is.4.1108738641733

## What is the base 10 logarithm of 61?

The base 10 logarithm of 61 is1.7853298350108

## What are the trigonometric properties of 61?

### What is the sine of 61?

The sine of 61 radians is.-0.96611777000839

### What is the cosine of 61?

The cosine of 61 radians is. -0.25810163593827

### What is the tangent of 61?

The tangent of 61 radians is.3.7431679442724

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