The Number

81989

Eighty-One Thousand Nine Hundred and Eighty-Nine

In Base 28 Octovigesimal Is

3kg528

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

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

Nearby Numbers

Positive, nonzero integers within three units

81986
3kg228
Eighty-One Thousand Nine Hundred and Eighty-Six in Base 28 Octovigesimal
81987
3kg328
Eighty-One Thousand Nine Hundred and Eighty-Seven in Base 28 Octovigesimal
81988
3kg428
Eighty-One Thousand Nine Hundred and Eighty-Eight in Base 28 Octovigesimal
81990
3kg628
Eighty-One Thousand Nine Hundred and Ninety in Base 28 Octovigesimal
81991
3kg728
Eighty-One Thousand Nine Hundred and Ninety-One in Base 28 Octovigesimal
81992
3kg828
Eighty-One Thousand Nine Hundred and Ninety-Two in Base 28 Octovigesimal

Scientific Notation

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

8.1989e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0007dpdrg9oolib28

The reciprocal of 81989 in Base 28 Octovigesimal.

Palindrome?

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

The number 3kg528 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand nine hundred and eighty-nine 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.

Eighty-one thousand nine hundred and eighty-nine 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 eighty-one thousand nine hundred and eighty-nine has the following 2 prime factors:

163
5n28
One Hundred and Sixty-Three in Base 28 Octovigesimal
503
hr28
Five Hundred and 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

5n281 · hr281 = 3kg528

Base Conversions

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