The Number

81812

Eighty-One Thousand Eight Hundred and Twelve

Nearby Numbers

Positive, nonzero integers within three units

81809
Eighty-One Thousand Eight Hundred and Nine
81810
Eighty-One Thousand Eight Hundred and Ten
81811
Eighty-One Thousand Eight Hundred and Eleven
81813
Eighty-One Thousand Eight Hundred and Thirteen
81814
Eighty-One Thousand Eight Hundred and Fourteen
81815
Eighty-One Thousand Eight Hundred and Fifteen

Scientific Notation

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

8.1812e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000012223145748789908

The reciprocal of 81812.

Palindrome?

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

The number 81812 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 eight hundred and twelve is a composite number with 12 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 eight hundred and twelve is a composite number with 12 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 eight hundred and twelve has the following 3 prime factors:

2
Two
113
One Hundred and Thirteen
181
One Hundred and Eighty-One

Prime Factorization

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

22 · 1131 · 1811 = 81812

Base Conversions

The number eighty-one thousand eight hundred and twelve in 35 different bases