The Number

81003

Eighty-One Thousand and Three

Nearby Numbers

Positive, nonzero integers within three units

81000
Eighty-One Thousand
81001
Eighty-One Thousand and One
81002
Eighty-One Thousand and Two
81004
Eighty-One Thousand and Four
81005
Eighty-One Thousand and Five
81006
Eighty-One Thousand and Six

Scientific Notation

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

8.1003e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000012345221781909311

The reciprocal of 81003.

Palindrome?

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

The number 81003 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 three 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.

Eighty-one thousand and three 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 eighty-one thousand and three has the following 4 prime factors:

3
Three
13
Thirteen
31
Thirty-One
67
Sixty-Seven

Prime Factorization

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

31 · 131 · 311 · 671 = 81003

Base Conversions

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