The Number

640004

Six Hundred and Forty Thousand and Four

Nearby Numbers

Positive, nonzero integers within three units

640001
Six Hundred and Forty Thousand and One
640002
Six Hundred and Forty Thousand and Two
640003
Six Hundred and Forty Thousand and Three
640005
Six Hundred and Forty Thousand and Five
640006
Six Hundred and Forty Thousand and Six
640007
Six Hundred and Forty Thousand and Seven

Scientific Notation

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

6.40004e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000015624902344360348

The reciprocal of 640004.

Palindrome?

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

The number 640004 is not a palindrome.

Not A Prime Number

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

Six hundred and forty thousand and four is a composite number with 6 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand and four is a composite number with 6 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 six hundred and forty thousand and four has the following 2 prime factors:

2
Two
160001
One Hundred and Sixty Thousand and One

Prime Factorization

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

22 · 1600011 = 640004

Base Conversions

The number six hundred and forty thousand and four in 35 different bases