The Number

644

Six Hundred and Forty-Four

In Base 28 Octovigesimal Is

n028

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

641
mp28
Six Hundred and Forty-One in Base 28 Octovigesimal
642
mq28
Six Hundred and Forty-Two in Base 28 Octovigesimal
643
mr28
Six Hundred and Forty-Three in Base 28 Octovigesimal
645
n128
Six Hundred and Forty-Five in Base 28 Octovigesimal
646
n228
Six Hundred and Forty-Six in Base 28 Octovigesimal
647
n328
Six Hundred and Forty-Seven in Base 28 Octovigesimal

Scientific Notation

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

6.44e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0162c4o9kjdb28

The reciprocal of 644 in Base 28 Octovigesimal.

Palindrome?

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

The number n028 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-four is a composite number with 12 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Six hundred and forty-four is a composite number with 12 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-four has the following 3 prime factors:

2
228
Two in Base 28 Octovigesimal
7
728
Seven in Base 28 Octovigesimal
23
n28
Twenty-Three in Base 28 Octovigesimal

Prime Factorization

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

2282 · 7281 · n281 = n028

Base Conversions

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