The Number

640021

Six Hundred and Forty Thousand and Twenty-One

In Base 4 Quaternary Is

21301001114

The numbers with a 4 subscript use Base 4 Quaternary notation.

For more familiar numbers: See Six Hundred and Forty Thousand and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

640018
21301001024
Six Hundred and Forty Thousand and Eightteen in Base 4 Quaternary
640019
21301001034
Six Hundred and Forty Thousand and Nineteen in Base 4 Quaternary
640020
21301001104
Six Hundred and Forty Thousand and Twenty in Base 4 Quaternary
640022
21301001124
Six Hundred and Forty Thousand and Twenty-Two in Base 4 Quaternary
640023
21301001134
Six Hundred and Forty Thousand and Twenty-Three in Base 4 Quaternary
640024
21301001204
Six Hundred and Forty Thousand and Twenty-Four in Base 4 Quaternary

Scientific Notation

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

6.40021e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000001220312222220301332122100124

The reciprocal of 640021 in Base 4 Quaternary.

Palindrome?

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

The number 21301001114 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 twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 4 Quaternary

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand and twenty-one is a composite number with 4 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 twenty-one has the following 2 prime factors:

23
1134
Twenty-Three in Base 4 Quaternary
27827
123023034
Twenty-Seven Thousand Eight Hundred and Twenty-Seven in Base 4 Quaternary

Prime Factorization

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

11341 · 1230230341 = 21301001114

Base Conversions

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