The Number

640065

Six Hundred and Forty Thousand and Sixty-Five

Nearby Numbers

Positive, nonzero integers within three units

640062
Six Hundred and Forty Thousand and Sixty-Two
640063
Six Hundred and Forty Thousand and Sixty-Three
640064
Six Hundred and Forty Thousand and Sixty-Four
640066
Six Hundred and Forty Thousand and Sixty-Six
640067
Six Hundred and Forty Thousand and Sixty-Seven
640068
Six Hundred and Forty Thousand and Sixty-Eight

Scientific Notation

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

6.40065e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000015623413247092093

The reciprocal of 640065.

Palindrome?

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

The number 640065 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 sixty-five 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 and sixty-five 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 and sixty-five has the following 4 prime factors:

3
Three
5
Five
71
Seventy-One
601
Six Hundred and One

Prime Factorization

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

31 · 51 · 711 · 6011 = 640065

Base Conversions

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