The Number

81810

Eighty-One Thousand Eight Hundred and Ten

In Base 28 Octovigesimal Is

3k9m28

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

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

Nearby Numbers

Positive, nonzero integers within three units

81807
3k9j28
Eighty-One Thousand Eight Hundred and Seven in Base 28 Octovigesimal
81808
3k9k28
Eighty-One Thousand Eight Hundred and Eight in Base 28 Octovigesimal
81809
3k9l28
Eighty-One Thousand Eight Hundred and Nine in Base 28 Octovigesimal
81811
3k9n28
Eighty-One Thousand Eight Hundred and Eleven in Base 28 Octovigesimal
81812
3k9o28
Eighty-One Thousand Eight Hundred and Twelve in Base 28 Octovigesimal
81813
3k9p28
Eighty-One Thousand Eight Hundred and Thirteen in Base 28 Octovigesimal

Scientific Notation

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

8.1810e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0007eaa1lqeo9828

The reciprocal of 81810 in Base 28 Octovigesimal.

Palindrome?

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

The number 3k9m28 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 eight hundred and ten is a composite number with 40 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 eight hundred and ten is a composite number with 40 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 eight hundred and ten has the following 4 prime factors:

2
228
Two in Base 28 Octovigesimal
3
328
Three in Base 28 Octovigesimal
5
528
Five in Base 28 Octovigesimal
101
3h28
One Hundred and 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

2281 · 3284 · 5281 · 3h281 = 3k9m28

Base Conversions

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