# 87

## Nearby Numbers

Positive, nonzero integers within three units

84
Eighty-Four
85
Eighty-Five
86
Eighty-Six
88
Eighty-Eight
89
Eighty-Nine
90
Ninety

## 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.

### `0.011494252873563218`

The reciprocal of 87.

## Palindrome?

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

The number 87 is not a palindrome.

## Not A Prime Number

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

Eighty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

## A Composite

Composites have more than just these two factors.

Eighty-seven is a composite number with 4 total factors (including 1 and itself).

## Prime Factors

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

The number eighty-seven has the following 2 prime factors:

3
Three
29
Twenty-Nine

## Prime Factorization

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

## Base Conversions

The number eighty-seven in 35 different bases