# 61

## Nearby Numbers

Positive, nonzero integers within three units

58
Fifty-Eight
59
Fifty-Nine
60
Sixty
62
Sixty-Two
63
Sixty-Three
64
Sixty-Four

## Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

## Reciprocal

A number multiplied with its reciprocal is one.

### `0.01639344262295082`

The reciprocal of 61.

## Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 61 is not a palindrome.

## A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Sixty-one is the 18th prime number.   See primes in Base 10 Decimal

## Not A Composite

Composites have more than just these two factors.

Sixty-One is not a composite number because it has exactly two factors: One and Sixty-One

## Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number sixty-one has the following 1 prime factor:

61
Sixty-One

## Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

## Base Conversions

The number sixty-one in 35 different bases