The Number

642000

Six Hundred and Forty-Two Thousand

Nearby Numbers

Positive, nonzero integers within three units

641997
Six Hundred and Forty-One Thousand Nine Hundred and Ninety-Seven
641998
Six Hundred and Forty-One Thousand Nine Hundred and Ninety-Eight
641999
Six Hundred and Forty-One Thousand Nine Hundred and Ninety-Nine
642001
Six Hundred and Forty-Two Thousand and One
642002
Six Hundred and Forty-Two Thousand and Two
642003
Six Hundred and Forty-Two Thousand and Three

Scientific Notation

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

6.42000e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000015576323987538942

The reciprocal of 642000.

Palindrome?

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

The number 642000 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-two thousand is a composite number with 80 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-two thousand is a composite number with 80 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-two thousand has the following 4 prime factors:

2
Two
3
Three
5
Five
107
One Hundred and Seven

Prime Factorization

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

24 · 31 · 53 · 1071 = 642000

Base Conversions

The number six hundred and forty-two thousand in 35 different bases