The Number

81031

Eighty-One Thousand and Thirty-One

In Base 28 Octovigesimal Is

3j9r28

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

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

Nearby Numbers

Positive, nonzero integers within three units

81028
3j9o28
Eighty-One Thousand and Twenty-Eight in Base 28 Octovigesimal
81029
3j9p28
Eighty-One Thousand and Twenty-Nine in Base 28 Octovigesimal
81030
3j9q28
Eighty-One Thousand and Thirty in Base 28 Octovigesimal
81032
3ja028
Eighty-One Thousand and Thirty-Two in Base 28 Octovigesimal
81033
3ja128
Eighty-One Thousand and Thirty-Three in Base 28 Octovigesimal
81034
3ja228
Eighty-One Thousand and Thirty-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.

8.1031e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0007garhmkemj428

The reciprocal of 81031 in Base 28 Octovigesimal.

Palindrome?

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

The number 3j9r28 is not a palindrome.

A Prime Number

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

Eighty-one thousand and thirty-one is the 7931st prime number.   See primes in Base 28 Octovigesimal

Not A Composite

Composites have more than just these two factors.

Eighty-One Thousand and Thirty-One is not a composite number because it has exactly two factors: One and Eighty-One Thousand and Thirty-One

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 thirty-one has the following 1 prime factor:

81031
3j9r28
Eighty-One Thousand and Thirty-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

3j9r281 = 3j9r28

Base Conversions

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