The Number

128015

One Hundred and Twenty-Eight Thousand and Fifteen

Nearby Numbers

Positive, nonzero integers within three units

128012
One Hundred and Twenty-Eight Thousand and Twelve
128013
One Hundred and Twenty-Eight Thousand and Thirteen
128014
One Hundred and Twenty-Eight Thousand and Fourteen
128016
One Hundred and Twenty-Eight Thousand and Sixteen
128017
One Hundred and Twenty-Eight Thousand and Seventeen
128018
One Hundred and Twenty-Eight Thousand and Eightteen

Scientific Notation

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

1.28015e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007811584579932039

The reciprocal of 128015.

Palindrome?

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

The number 128015 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 fifteen 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.

One hundred and twenty-eight thousand and fifteen 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 one hundred and twenty-eight thousand and fifteen has the following 2 prime factors:

5
Five
25603
Twenty-Five Thousand Six Hundred and Three

Prime Factorization

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

51 · 256031 = 128015

Base Conversions

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