The Number

389

Three Hundred and Eighty-Nine

In Base 18 Octodecimal Is

13b18

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

For more familiar numbers: See Three Hundred and Eighty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

386
13818
Three Hundred and Eighty-Six in Base 18 Octodecimal
387
13918
Three Hundred and Eighty-Seven in Base 18 Octodecimal
388
13a18
Three Hundred and Eighty-Eight in Base 18 Octodecimal
390
13c18
Three Hundred and Ninety in Base 18 Octodecimal
391
13d18
Three Hundred and Ninety-One in Base 18 Octodecimal
392
13e18
Three Hundred and Ninety-Two in Base 18 Octodecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

3.89e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00ehf9078gd93d818

The reciprocal of 389 in Base 18 Octodecimal.

Palindrome?

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

The number 13b18 is not a palindrome.

A Prime Number

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

Three hundred and eighty-nine is the 77th prime number.   See primes in Base 18 Octodecimal

Not A Composite

Composites have more than just these two factors.

Three Hundred and Eighty-Nine is not a composite number because it has exactly two factors: One and Three Hundred and Eighty-Nine

Prime Factors

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

The number three hundred and eighty-nine has the following 1 prime factor:

389
13b18
Three Hundred and Eighty-Nine in Base 18 Octodecimal

Prime Factorization

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

13b181 = 13b18

Base Conversions

The number three hundred and eighty-nine in 35 different bases