# 128

The numbers with a 8 subscript use Base 8 Octal notation.

For more familiar numbers: See Ten in Base 10 Decimal

## Nearby Numbers

Positive, nonzero integers within three units

7
78
Seven in Base 8 Octal
8
108
Eight in Base 8 Octal
9
118
Nine in Base 8 Octal
11
138
Eleven in Base 8 Octal
12
148
Twelve in Base 8 Octal
13
158
Thirteen in Base 8 Octal

## 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.

### `0.06314631463146314648`

The reciprocal of 10 in Base 8 Octal.

## Palindrome?

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

The number 128 is not a palindrome.

## Not A Prime Number

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

Ten is a composite number with 4 total factors (including 1 and itself).   See primes in Base 8 Octal

## A Composite

Composites have more than just these two factors.

Ten 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 ten has the following 2 prime factors:

2
28
Two in Base 8 Octal
5
58
Five in Base 8 Octal

## Prime Factorization

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

## Base Conversions

The number ten in 35 different bases