# 47

## Nearby Numbers

Positive, nonzero integers within three units

44
Forty-Four
45
Forty-Five
46
Forty-Six
48
Forty-Eight
49
Forty-Nine
50
Fifty

## 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.

### `0.02127659574468085`

The reciprocal of 47.

## Palindrome?

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

The number 47 is not a palindrome.

## A Prime Number

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

Forty-seven is the 15th prime number.   See primes in Base 10 Decimal

## Not A Composite

Composites have more than just these two factors.

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

## Prime Factors

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

The number forty-seven has the following 1 prime factor:

47
Forty-Seven

## Prime Factorization

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

## Base Conversions

The number forty-seven in 35 different bases