The Number

128978

One Hundred and Twenty-Eight Thousand Nine Hundred and Seventy-Eight

Nearby Numbers

Positive, nonzero integers within three units

128975
One Hundred and Twenty-Eight Thousand Nine Hundred and Seventy-Five
128976
One Hundred and Twenty-Eight Thousand Nine Hundred and Seventy-Six
128977
One Hundred and Twenty-Eight Thousand Nine Hundred and Seventy-Seven
128979
One Hundred and Twenty-Eight Thousand Nine Hundred and Seventy-Nine
128980
One Hundred and Twenty-Eight Thousand Nine Hundred and Eighty
128981
One Hundred and Twenty-Eight Thousand Nine Hundred and Eighty-One

Scientific Notation

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

1.28978e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007753260245933416

The reciprocal of 128978.

Palindrome?

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

The number 128978 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 nine hundred and seventy-eight 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 nine hundred and seventy-eight 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 nine hundred and seventy-eight has the following 2 prime factors:

2
Two
64489
Sixty-Four Thousand Four Hundred and Eighty-Nine

Prime Factorization

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

21 · 644891 = 128978

Base Conversions

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