The Number

18009

Eightteen Thousand and Nine

Nearby Numbers

Positive, nonzero integers within three units

18006
Eightteen Thousand and Six
18007
Eightteen Thousand and Seven
18008
Eightteen Thousand and Eight
18010
Eightteen Thousand and Ten
18011
Eightteen Thousand and Eleven
18012
Eightteen Thousand and Twelve

Scientific Notation

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

1.8009e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000055527791659725695

The reciprocal of 18009.

Palindrome?

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

The number 18009 is not a palindrome.

Not A Prime Number

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

Eightteen thousand and nine is a composite number with 16 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Eightteen thousand and nine is a composite number with 16 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 eightteen thousand and nine has the following 3 prime factors:

3
Three
23
Twenty-Three
29
Twenty-Nine

Prime Factorization

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

33 · 231 · 291 = 18009

Base Conversions

The number eightteen thousand and nine in 35 different bases