The Number

20831

Twenty Thousand Eight Hundred and Thirty-One

In Base 9 Nonary Is

315159

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20828
315129
Twenty Thousand Eight Hundred and Twenty-Eight in Base 9 Nonary
20829
315139
Twenty Thousand Eight Hundred and Twenty-Nine in Base 9 Nonary
20830
315149
Twenty Thousand Eight Hundred and Thirty in Base 9 Nonary
20832
315169
Twenty Thousand Eight Hundred and Thirty-Two in Base 9 Nonary
20833
315179
Twenty Thousand Eight Hundred and Thirty-Three in Base 9 Nonary
20834
315189
Twenty Thousand Eight Hundred and Thirty-Four in Base 9 Nonary

Scientific Notation

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

2.0831e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000274542352322241869

The reciprocal of 20831 in Base 9 Nonary.

Palindrome?

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

The number 315159 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 eight hundred and thirty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Twenty thousand eight hundred and thirty-one is a composite number with 4 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 eight hundred and thirty-one has the following 2 prime factors:

37
419
Thirty-Seven in Base 9 Nonary
563
6859
Five Hundred and Sixty-Three in Base 9 Nonary

Prime Factorization

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

4191 · 68591 = 315159

Base Conversions

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