The Number

9981

Nine Thousand Nine Hundred and Eighty-One

In Base 19 Nonadecimal Is

18c619

The numbers with a 19 subscript use Base 19 Nonadecimal 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
18c319
Nine Thousand Nine Hundred and Seventy-Eight in Base 19 Nonadecimal
9979
18c419
Nine Thousand Nine Hundred and Seventy-Nine in Base 19 Nonadecimal
9980
18c519
Nine Thousand Nine Hundred and Eighty in Base 19 Nonadecimal
9982
18c719
Nine Thousand Nine Hundred and Eighty-Two in Base 19 Nonadecimal
9983
18c819
Nine Thousand Nine Hundred and Eighty-Three in Base 19 Nonadecimal
9984
18c919
Nine Thousand Nine Hundred and Eighty-Four in Base 19 Nonadecimal

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.

0.000d11a662h0hbc719

The reciprocal of 9981 in Base 19 Nonadecimal.

Palindrome?

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

The number 18c619 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 19 Nonadecimal

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
319
Three in Base 19 Nonadecimal
1109
31719
One Thousand One Hundred and Nine in Base 19 Nonadecimal

Prime Factorization

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

3192 · 317191 = 18c619

Base Conversions

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