The Number

216821

Two Hundred and Sixteen Thousand Eight Hundred and Twenty-One

In Base 28 Octovigesimal Is

9ofh28

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

For more familiar numbers: See Two Hundred and Sixteen Thousand Eight Hundred and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

216818
9ofe28
Two Hundred and Sixteen Thousand Eight Hundred and Eightteen in Base 28 Octovigesimal
216819
9off28
Two Hundred and Sixteen Thousand Eight Hundred and Nineteen in Base 28 Octovigesimal
216820
9ofg28
Two Hundred and Sixteen Thousand Eight Hundred and Twenty in Base 28 Octovigesimal
216822
9ofi28
Two Hundred and Sixteen Thousand Eight Hundred and Twenty-Two in Base 28 Octovigesimal
216823
9ofj28
Two Hundred and Sixteen Thousand Eight Hundred and Twenty-Three in Base 28 Octovigesimal
216824
9ofk28
Two Hundred and Sixteen Thousand Eight Hundred and Twenty-Four in Base 28 Octovigesimal

Scientific Notation

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

2.16821e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0002naeka4df0da28

The reciprocal of 216821 in Base 28 Octovigesimal.

Palindrome?

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

The number 9ofh28 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two hundred and sixteen thousand eight hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and sixteen thousand eight hundred and twenty-one 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 two hundred and sixteen thousand eight hundred and twenty-one has the following 3 prime factors:

11
b28
Eleven in Base 28 Octovigesimal
23
n28
Twenty-Three in Base 28 Octovigesimal
857
12h28
Eight Hundred and Fifty-Seven in Base 28 Octovigesimal

Prime Factorization

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

b281 · n281 · 12h281 = 9ofh28

Base Conversions

The number two hundred and sixteen thousand eight hundred and twenty-one in 35 different bases