The Number

81138

Eighty-One Thousand One Hundred and Thirty-Eight

Nearby Numbers

Positive, nonzero integers within three units

81135
Eighty-One Thousand One Hundred and Thirty-Five
81136
Eighty-One Thousand One Hundred and Thirty-Six
81137
Eighty-One Thousand One Hundred and Thirty-Seven
81139
Eighty-One Thousand One Hundred and Thirty-Nine
81140
Eighty-One Thousand One Hundred and Forty
81141
Eighty-One Thousand One Hundred and Forty-One

Scientific Notation

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

8.1138e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00001232468140698563

The reciprocal of 81138.

Palindrome?

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

The number 81138 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 one hundred and thirty-eight is a composite number with 8 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 one hundred and thirty-eight is a composite number with 8 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 one hundred and thirty-eight has the following 3 prime factors:

2
Two
3
Three
13523
Thirteen Thousand Five Hundred and Twenty-Three

Prime Factorization

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

21 · 31 · 135231 = 81138

Base Conversions

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