The Number

640497

Six Hundred and Forty Thousand Four Hundred and Ninety-Seven

Nearby Numbers

Positive, nonzero integers within three units

640494
Six Hundred and Forty Thousand Four Hundred and Ninety-Four
640495
Six Hundred and Forty Thousand Four Hundred and Ninety-Five
640496
Six Hundred and Forty Thousand Four Hundred and Ninety-Six
640498
Six Hundred and Forty Thousand Four Hundred and Ninety-Eight
640499
Six Hundred and Forty Thousand Four Hundred and Ninety-Nine
640500
Six Hundred and Forty Thousand Five Hundred

Scientific Notation

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

6.40497e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000015612875626271474

The reciprocal of 640497.

Palindrome?

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

The number 640497 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 four hundred and ninety-seven is a composite number with 16 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 four hundred and ninety-seven is a composite number with 16 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 four hundred and ninety-seven has the following 4 prime factors:

3
Three
11
Eleven
13
Thirteen
1493
One Thousand Four Hundred and Ninety-Three

Prime Factorization

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

31 · 111 · 131 · 14931 = 640497

Base Conversions

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