The Number

216721

Two Hundred and Sixteen Thousand Seven Hundred and Twenty-One

In Base 28 Octovigesimal Is

9oc128

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

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

Nearby Numbers

Positive, nonzero integers within three units

216718
9obq28
Two Hundred and Sixteen Thousand Seven Hundred and Eightteen in Base 28 Octovigesimal
216719
9obr28
Two Hundred and Sixteen Thousand Seven Hundred and Nineteen in Base 28 Octovigesimal
216720
9oc028
Two Hundred and Sixteen Thousand Seven Hundred and Twenty in Base 28 Octovigesimal
216722
9oc228
Two Hundred and Sixteen Thousand Seven Hundred and Twenty-Two in Base 28 Octovigesimal
216723
9oc328
Two Hundred and Sixteen Thousand Seven Hundred and Twenty-Three in Base 28 Octovigesimal
216724
9oc428
Two Hundred and Sixteen Thousand Seven 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.

2.16721e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0002nbfcacrmden28

The reciprocal of 216721 in Base 28 Octovigesimal.

Palindrome?

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

The number 9oc128 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 seven hundred and twenty-one is a composite number with 4 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 seven hundred 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 two hundred and sixteen thousand seven hundred and twenty-one has the following 2 prime factors:

31
1328
Thirty-One in Base 28 Octovigesimal
6991
8pj28
Six Thousand Nine Hundred and Ninety-One in Base 28 Octovigesimal

Prime Factorization

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

13281 · 8pj281 = 9oc128

Base Conversions

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