The Number

81005

Eighty-One Thousand and Five

In Base 28 Octovigesimal Is

3j9128

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

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

Nearby Numbers

Positive, nonzero integers within three units

81002
3j8q28
Eighty-One Thousand and Two in Base 28 Octovigesimal
81003
3j8r28
Eighty-One Thousand and Three in Base 28 Octovigesimal
81004
3j9028
Eighty-One Thousand and Four in Base 28 Octovigesimal
81006
3j9228
Eighty-One Thousand and Six in Base 28 Octovigesimal
81007
3j9328
Eighty-One Thousand and Seven in Base 28 Octovigesimal
81008
3j9428
Eighty-One Thousand and Eight in Base 28 Octovigesimal

Scientific Notation

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

8.1005e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0007gcp28ekag7j28

The reciprocal of 81005 in Base 28 Octovigesimal.

Palindrome?

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

The number 3j9128 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 and five is a composite number with 8 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 and five is a composite number with 8 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 and five has the following 3 prime factors:

5
528
Five in Base 28 Octovigesimal
17
h28
Seventeen in Base 28 Octovigesimal
953
16128
Nine Hundred and Fifty-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

5281 · h281 · 161281 = 3j9128

Base Conversions

The number eighty-one thousand and five in 35 different bases