The Number

640004

Six Hundred and Forty Thousand and Four

In Base 8 Octal Is

23420048

The numbers with a 8 subscript use Base 8 Octal notation.

For more familiar numbers: See Six Hundred and Forty Thousand and Four in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

640001
23420018
Six Hundred and Forty Thousand and One in Base 8 Octal
640002
23420028
Six Hundred and Forty Thousand and Two in Base 8 Octal
640003
23420038
Six Hundred and Forty Thousand and Three in Base 8 Octal
640005
23420058
Six Hundred and Forty Thousand and Five in Base 8 Octal
640006
23420068
Six Hundred and Forty Thousand and Six in Base 8 Octal
640007
23420078
Six Hundred and Forty Thousand and Seven in Base 8 Octal

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.

0.0000003215554056262337718

The reciprocal of 640004 in Base 8 Octal.

Palindrome?

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

The number 23420048 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 8 Octal

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
28
Two in Base 8 Octal
160001
4704018
One Hundred and Sixty Thousand and One in Base 8 Octal

Prime Factorization

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

282 · 47040181 = 23420048

Base Conversions

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