# 7

## Nearby Numbers

Positive, nonzero integers within three units

4
Four
5
Five
6
Six
8
Eight
9
Nine
10
Ten

## 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.

### `0.14285714285714285`

The reciprocal of 7.

## Palindrome?

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

The number 7 is a palindrome.

## A Prime Number

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

Seven is the 4th prime number.   See primes in Base 10 Decimal

## Not A Composite

Composites have more than just these two factors.

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

## Prime Factors

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

The number seven has the following 1 prime factor:

7
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 seven in 35 different bases