# Number 121

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## Description of the number 121

121 is a natural number (hence integer, rational and real) of 3 digits that follows 120 and precedes 122.

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

The number 121 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 121 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 121, you will see how many of them you already knew, but we are sure you will also discover some new ones.

## how to write 121 in letters?

Number 121 in English is written as one hundred twenty-one
The number 121 is pronounced digit by digit as (1) one (2) two (1) one.

## What are the divisors of 121?

The number 121 has 3 divisors, they are as follows:

The sum of its divisors, excluding the number itself is 12, so it is a defective number and its abundance is -109

## Is 121 a prime number?

Yes, 121 is a prime number since it is only divisible by itself and 1

## What are the prime factors of 121?

The factorization into prime factors of 121 is:

112

## What is the square root of 121?

The square root of 121 is. 11

## What is the square of 121?

The square of 121, the result of multiplying 121*121 is. 14641

## How to convert 121 to binary numbers?

The decimal number 121 into binary numbers is.1111001

## How to convert 121 to octal?

The decimal number 121 in octal numbers is171

## How to convert 121 to hexadecimal?

The decimal number 121 in hexadecimal numbers is79

## What is the natural or neperian logarithm of 121?

The neperian or natural logarithm of 121 is.4.7957905455967

## What is the base 10 logarithm of 121?

The base 10 logarithm of 121 is2.0827853703164

## What are the trigonometric properties of 121?

### What is the sine of 121?

The sine of 121 radians is.0.99881522472358

### What is the cosine of 121?

The cosine of 121 radians is. -0.048663609200154

### What is the tangent of 121?

The tangent of 121 radians is.-20.524889977138