The Number

81830

Eighty-One Thousand Eight Hundred and Thirty

Nearby Numbers

Positive, nonzero integers within three units

81827
Eighty-One Thousand Eight Hundred and Twenty-Seven
81828
Eighty-One Thousand Eight Hundred and Twenty-Eight
81829
Eighty-One Thousand Eight Hundred and Twenty-Nine
81831
Eighty-One Thousand Eight Hundred and Thirty-One
81832
Eighty-One Thousand Eight Hundred and Thirty-Two
81833
Eighty-One Thousand Eight Hundred and Thirty-Three

Scientific Notation

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

8.1830e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000012220457045093486

The reciprocal of 81830.

Palindrome?

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

The number 81830 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 thirty 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 eight hundred and thirty 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 eight hundred and thirty has the following 4 prime factors:

2
Two
5
Five
7
Seven
167
One Hundred and Sixty-Seven

Prime Factorization

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

21 · 51 · 72 · 1671 = 81830

Base Conversions

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