The Number

6400

Six Thousand Four Hundred

Nearby Numbers

Positive, nonzero integers within three units

6397
Six Thousand Three Hundred and Ninety-Seven
6398
Six Thousand Three Hundred and Ninety-Eight
6399
Six Thousand Three Hundred and Ninety-Nine
6401
Six Thousand Four Hundred and One
6402
Six Thousand Four Hundred and Two
6403
Six Thousand Four Hundred and Three

Scientific Notation

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

6.400e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00015625

The reciprocal of 6400.

Palindrome?

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

The number 6400 is not a palindrome.

Not A Prime Number

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

Six thousand four hundred is a composite number with 27 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Six thousand four hundred is a composite number with 27 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 thousand four hundred has the following 2 prime factors:

2
Two
5
Five

Prime Factorization

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

28 · 52 = 6400

Base Conversions

The number six thousand four hundred in 35 different bases