The Number

20531

Twenty Thousand Five Hundred and Thirty-One

In Base 18 Octodecimal Is

396b18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Twenty Thousand Five Hundred and Thirty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20528
396818
Twenty Thousand Five Hundred and Twenty-Eight in Base 18 Octodecimal
20529
396918
Twenty Thousand Five Hundred and Twenty-Nine in Base 18 Octodecimal
20530
396a18
Twenty Thousand Five Hundred and Thirty in Base 18 Octodecimal
20532
396c18
Twenty Thousand Five Hundred and Thirty-Two in Base 18 Octodecimal
20533
396d18
Twenty Thousand Five Hundred and Thirty-Three in Base 18 Octodecimal
20534
396e18
Twenty Thousand Five Hundred and Thirty-Four in Base 18 Octodecimal

Scientific Notation

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

2.0531e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000520b56gh84308818

The reciprocal of 20531 in Base 18 Octodecimal.

Palindrome?

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

The number 396b18 is not a palindrome.

Not A Prime Number

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

Twenty thousand five hundred and thirty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty thousand five hundred and thirty-one is a composite number with 6 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 twenty thousand five hundred and thirty-one has the following 2 prime factors:

7
718
Seven in Base 18 Octodecimal
419
15518
Four Hundred and Nineteen in Base 18 Octodecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

7182 · 155181 = 396b18

Base Conversions

The number twenty thousand five hundred and thirty-one in 35 different bases