The Number

81121

Eighty-One Thousand One Hundred and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

81118
Eighty-One Thousand One Hundred and Eightteen
81119
Eighty-One Thousand One Hundred and Nineteen
81120
Eighty-One Thousand One Hundred and Twenty
81122
Eighty-One Thousand One Hundred and Twenty-Two
81123
Eighty-One Thousand One Hundred and Twenty-Three
81124
Eighty-One Thousand One Hundred and Twenty-Four

Scientific Notation

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

8.1121e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000012327264210253818

The reciprocal of 81121.

Palindrome?

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

The number 81121 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 twenty-one is a composite number with 4 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 twenty-one is a composite number with 4 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 twenty-one has the following 2 prime factors:

23
Twenty-Three
3527
Three Thousand Five Hundred and Twenty-Seven

Prime Factorization

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

231 · 35271 = 81121

Base Conversions

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