The Number

20815

Twenty Thousand Eight Hundred and Fifteen

In Base 9 Nonary Is

314879

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

For more familiar numbers: See Twenty Thousand Eight Hundred and Fifteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20812
314849
Twenty Thousand Eight Hundred and Twelve in Base 9 Nonary
20813
314859
Twenty Thousand Eight Hundred and Thirteen in Base 9 Nonary
20814
314869
Twenty Thousand Eight Hundred and Fourteen in Base 9 Nonary
20816
314889
Twenty Thousand Eight Hundred and Sixteen in Base 9 Nonary
20817
315009
Twenty Thousand Eight Hundred and Seventeen in Base 9 Nonary
20818
315019
Twenty Thousand Eight Hundred and Eightteen in Base 9 Nonary

Scientific Notation

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

2.0815e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000027470505065827569

The reciprocal of 20815 in Base 9 Nonary.

Palindrome?

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

The number 314879 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 fifteen is a composite number with 8 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 fifteen 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 twenty thousand eight hundred and fifteen has the following 3 prime factors:

5
59
Five in Base 9 Nonary
23
259
Twenty-Three in Base 9 Nonary
181
2219
One Hundred and Eighty-One in Base 9 Nonary

Prime Factorization

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

591 · 2591 · 22191 = 314879

Base Conversions

The number twenty thousand eight hundred and fifteen in 35 different bases