The Number

189

One Hundred and Eighty-Nine

In Base 18 Octodecimal Is

a918

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

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

Nearby Numbers

Positive, nonzero integers within three units

186
a618
One Hundred and Eighty-Six in Base 18 Octodecimal
187
a718
One Hundred and Eighty-Seven in Base 18 Octodecimal
188
a818
One Hundred and Eighty-Eight in Base 18 Octodecimal
190
aa18
One Hundred and Ninety in Base 18 Octodecimal
191
ab18
One Hundred and Ninety-One in Base 18 Octodecimal
192
ac18
One 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.

1.89e2

Reciprocal

A number multiplied with its reciprocal is one.

0.01cf7cf7cf7cf7b18

The reciprocal of 189 in Base 18 Octodecimal.

Palindrome?

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

The number a918 is not a palindrome.

Not A Prime Number

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

One hundred and eighty-nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and eighty-nine is a composite number with 8 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 one hundred and eighty-nine has the following 2 prime factors:

3
318
Three in Base 18 Octodecimal
7
718
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

3183 · 7181 = a918

Base Conversions

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