The Number

81340

Eighty-One Thousand Three Hundred and Forty

Nearby Numbers

Positive, nonzero integers within three units

81337
Eighty-One Thousand Three Hundred and Thirty-Seven
81338
Eighty-One Thousand Three Hundred and Thirty-Eight
81339
Eighty-One Thousand Three Hundred and Thirty-Nine
81341
Eighty-One Thousand Three Hundred and Forty-One
81342
Eighty-One Thousand Three Hundred and Forty-Two
81343
Eighty-One Thousand Three Hundred and Forty-Three

Scientific Notation

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

8.1340e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000012294074256208507

The reciprocal of 81340.

Palindrome?

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

The number 81340 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 three hundred and forty is a composite number with 36 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 three hundred and forty is a composite number with 36 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 three hundred and forty has the following 4 prime factors:

2
Two
5
Five
7
Seven
83
Eighty-Three

Prime Factorization

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

22 · 51 · 72 · 831 = 81340

Base Conversions

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