The Number

128021

One Hundred and Twenty-Eight Thousand and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

128018
One Hundred and Twenty-Eight Thousand and Eightteen
128019
One Hundred and Twenty-Eight Thousand and Nineteen
128020
One Hundred and Twenty-Eight Thousand and Twenty
128022
One Hundred and Twenty-Eight Thousand and Twenty-Two
128023
One Hundred and Twenty-Eight Thousand and Twenty-Three
128024
One Hundred and Twenty-Eight Thousand and Twenty-Four

Scientific Notation

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

1.28021e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007811218471969443

The reciprocal of 128021.

Palindrome?

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

The number 128021 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One hundred and twenty-eight thousand and twenty-one is a composite number with 2 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand and twenty-one is a composite number with 2 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 one hundred and twenty-eight thousand and twenty-one has the following 1 prime factor:

128021
One Hundred and Twenty-Eight Thousand and Twenty-One

Prime Factorization

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

1280211 = 128021

Base Conversions

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