The Number

9981

Nine Thousand Nine Hundred and Eighty-One

In Base 28 Octovigesimal Is

ckd28

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

For more familiar numbers: See Nine Thousand Nine Hundred and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

9978
cka28
Nine Thousand Nine Hundred and Seventy-Eight in Base 28 Octovigesimal
9979
ckb28
Nine Thousand Nine Hundred and Seventy-Nine in Base 28 Octovigesimal
9980
ckc28
Nine Thousand Nine Hundred and Eighty in Base 28 Octovigesimal
9982
cke28
Nine Thousand Nine Hundred and Eighty-Two in Base 28 Octovigesimal
9983
ckf28
Nine Thousand Nine Hundred and Eighty-Three in Base 28 Octovigesimal
9984
ckg28
Nine Thousand Nine Hundred and Eighty-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.

9.981e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0025g8lao1m7gm28

The reciprocal of 9981 in Base 28 Octovigesimal.

Palindrome?

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

The number ckd28 is not a palindrome.

Not A Prime Number

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

Nine thousand nine hundred and eighty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Nine thousand nine hundred and eighty-one is a composite number with 6 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 nine thousand nine hundred and eighty-one has the following 2 prime factors:

3
328
Three in Base 28 Octovigesimal
1109
1bh28
One Thousand One Hundred and Nine in Base 28 Octovigesimal

Prime Factorization

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

3282 · 1bh281 = ckd28

Base Conversions

The number nine thousand nine hundred and eighty-one in 35 different bases