The Number

128520

One Hundred and Twenty-Eight Thousand Five Hundred and Twenty

Nearby Numbers

Positive, nonzero integers within three units

128517
One Hundred and Twenty-Eight Thousand Five Hundred and Seventeen
128518
One Hundred and Twenty-Eight Thousand Five Hundred and Eightteen
128519
One Hundred and Twenty-Eight Thousand Five Hundred and Nineteen
128521
One Hundred and Twenty-Eight Thousand Five Hundred and Twenty-One
128522
One Hundred and Twenty-Eight Thousand Five Hundred and Twenty-Two
128523
One Hundred and Twenty-Eight Thousand Five Hundred and Twenty-Three

Scientific Notation

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

1.28520e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000778089013383131

The reciprocal of 128520.

Palindrome?

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

The number 128520 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 five hundred and twenty is a composite number with 128 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 five hundred and twenty is a composite number with 128 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 five hundred and twenty has the following 5 prime factors:

2
Two
3
Three
5
Five
7
Seven
17
Seventeen

Prime Factorization

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

23 · 33 · 51 · 71 · 171 = 128520

Base Conversions

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