The Number

81004

Eighty-One Thousand and Four

Nearby Numbers

Positive, nonzero integers within three units

81001
Eighty-One Thousand and One
81002
Eighty-One Thousand and Two
81003
Eighty-One Thousand and Three
81005
Eighty-One Thousand and Five
81006
Eighty-One Thousand and Six
81007
Eighty-One Thousand and Seven

Scientific Notation

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

8.1004e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000012345069379289912

The reciprocal of 81004.

Palindrome?

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

The number 81004 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand and four is a composite number with 24 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand and four is a composite number with 24 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 eighty-one thousand and four has the following 4 prime factors:

2
Two
7
Seven
11
Eleven
263
Two Hundred and Sixty-Three

Prime Factorization

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

22 · 71 · 111 · 2631 = 81004

Base Conversions

The number eighty-one thousand and four in 35 different bases