# 2a18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Forty-Six in Base 10 Decimal

## Nearby Numbers

Positive, nonzero integers within three units

43
2718
Forty-Three in Base 18 Octodecimal
44
2818
Forty-Four in Base 18 Octodecimal
45
2918
Forty-Five in Base 18 Octodecimal
47
2b18
Forty-Seven in Base 18 Octodecimal
48
2c18
Forty-Eight in Base 18 Octodecimal
49
2d18
Forty-Nine in Base 18 Octodecimal

## 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.

### `0.070e1a3264c9718`

The reciprocal of 46 in Base 18 Octodecimal.

## Palindrome?

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

The number 2a18 is not a palindrome.

## Not A Prime Number

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

Forty-six is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

## A Composite

Composites have more than just these two factors.

Forty-six 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 forty-six has the following 2 prime factors:

2
218
Two in Base 18 Octodecimal
23
1518
Twenty-Three in Base 18 Octodecimal

## 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-six in 35 different bases