# 3d18

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

For more familiar numbers: See Sixty-Seven in Base 10 Decimal

## Nearby Numbers

Positive, nonzero integers within three units

64
3a18
Sixty-Four in Base 18 Octodecimal
65
3b18
Sixty-Five in Base 18 Octodecimal
66
3c18
Sixty-Six in Base 18 Octodecimal
68
3e18
Sixty-Eight in Base 18 Octodecimal
69
3f18
Sixty-Nine in Base 18 Octodecimal
70
3g18
Seventy 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.

### `0.04f0e927974a3d718`

The reciprocal of 67 in Base 18 Octodecimal.

## Palindrome?

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

The number 3d18 is not a palindrome.

## A Prime Number

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

Sixty-seven is the 19th prime number.   See primes in Base 18 Octodecimal

## Not A Composite

Composites have more than just these two factors.

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

## Prime Factors

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

The number sixty-seven has the following 1 prime factor:

67
3d18
Sixty-Seven 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 sixty-seven in 35 different bases