The Number

81018

Eighty-One Thousand and Eightteen

In Base 28 Octovigesimal Is

3j9e28

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

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

Nearby Numbers

Positive, nonzero integers within three units

81015
3j9b28
Eighty-One Thousand and Fifteen in Base 28 Octovigesimal
81016
3j9c28
Eighty-One Thousand and Sixteen in Base 28 Octovigesimal
81017
3j9d28
Eighty-One Thousand and Seventeen in Base 28 Octovigesimal
81019
3j9f28
Eighty-One Thousand and Nineteen in Base 28 Octovigesimal
81020
3j9g28
Eighty-One Thousand and Twenty in Base 28 Octovigesimal
81021
3j9h28
Eighty-One Thousand and Twenty-One in Base 28 Octovigesimal

Scientific Notation

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

8.1018e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0007gbq9q7drif28

The reciprocal of 81018 in Base 28 Octovigesimal.

Palindrome?

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

The number 3j9e28 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 eightteen is a composite number with 24 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 eightteen is a composite number with 24 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 eightteen has the following 4 prime factors:

2
228
Two in Base 28 Octovigesimal
3
328
Three in Base 28 Octovigesimal
7
728
Seven in Base 28 Octovigesimal
643
mr28
Six Hundred and Forty-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

2281 · 3282 · 7281 · mr281 = 3j9e28

Base Conversions

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