# 2f18

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

For more familiar numbers: See Fifty-One in Base 10 Decimal

## Nearby Numbers

Positive, nonzero integers within three units

48
2c18
Forty-Eight in Base 18 Octodecimal
49
2d18
Forty-Nine in Base 18 Octodecimal
50
2e18
Fifty in Base 18 Octodecimal
52
2g18
Fifty-Two in Base 18 Octodecimal
53
2h18
Fifty-Three in Base 18 Octodecimal
54
3018
Fifty-Four 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.

### `0.0666666666666618`

The reciprocal of 51 in Base 18 Octodecimal.

## Palindrome?

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

The number 2f18 is not a palindrome.

## Not A Prime Number

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

Fifty-one 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.

Fifty-one 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 fifty-one has the following 2 prime factors:

3
318
Three in Base 18 Octodecimal
17
h18
Seventeen 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 fifty-one in 35 different bases