The Number

128540

One Hundred and Twenty-Eight Thousand Five Hundred and Forty

Nearby Numbers

Positive, nonzero integers within three units

128537
One Hundred and Twenty-Eight Thousand Five Hundred and Thirty-Seven
128538
One Hundred and Twenty-Eight Thousand Five Hundred and Thirty-Eight
128539
One Hundred and Twenty-Eight Thousand Five Hundred and Thirty-Nine
128541
One Hundred and Twenty-Eight Thousand Five Hundred and Forty-One
128542
One Hundred and Twenty-Eight Thousand Five Hundred and Forty-Two
128543
One Hundred and Twenty-Eight Thousand Five Hundred and Forty-Three

Scientific Notation

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

1.28540e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007779679477205539

The reciprocal of 128540.

Palindrome?

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

The number 128540 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 forty is a composite number with 12 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 forty is a composite number with 12 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 forty has the following 3 prime factors:

2
Two
5
Five
6427
Six Thousand Four Hundred and Twenty-Seven

Prime Factorization

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

22 · 51 · 64271 = 128540

Base Conversions

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