The Number

640013

Six Hundred and Forty Thousand and Thirteen

In Base 8 Octal Is

23420158

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

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

Nearby Numbers

Positive, nonzero integers within three units

640010
23420128
Six Hundred and Forty Thousand and Ten in Base 8 Octal
640011
23420138
Six Hundred and Forty Thousand and Eleven in Base 8 Octal
640012
23420148
Six Hundred and Forty Thousand and Twelve in Base 8 Octal
640014
23420168
Six Hundred and Forty Thousand and Fourteen in Base 8 Octal
640015
23420178
Six Hundred and Forty Thousand and Fifteen in Base 8 Octal
640016
23420208
Six Hundred and Forty Thousand and Sixteen in Base 8 Octal

Scientific Notation

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

6.40013e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000003215540005605036618

The reciprocal of 640013 in Base 8 Octal.

Palindrome?

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

The number 23420158 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 thirteen is a composite number with 8 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 thirteen is a composite number with 8 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 thirteen has the following 3 prime factors:

11
138
Eleven in Base 8 Octal
83
1238
Eighty-Three in Base 8 Octal
701
12758
Seven Hundred 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

1381 · 12381 · 127581 = 23420158

Base Conversions

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