The Number

6561

Six Thousand Five Hundred and Sixty-One

In Base 13 Tridecimal Is

2ca913

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

6558
2ca613
Six Thousand Five Hundred and Fifty-Eight in Base 13 Tridecimal
6559
2ca713
Six Thousand Five Hundred and Fifty-Nine in Base 13 Tridecimal
6560
2ca813
Six Thousand Five Hundred and Sixty in Base 13 Tridecimal
6562
2caa13
Six Thousand Five Hundred and Sixty-Two in Base 13 Tridecimal
6563
2cab13
Six Thousand Five Hundred and Sixty-Three in Base 13 Tridecimal
6564
2cac13
Six Thousand Five Hundred and Sixty-Four in Base 13 Tridecimal

Scientific Notation

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

6.561e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0004478b31c9b1bba713

The reciprocal of 6561 in Base 13 Tridecimal.

Palindrome?

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

The number 2ca913 is not a palindrome.

Not A Prime Number

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

Six thousand five hundred and sixty-one is a composite number with 9 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Six thousand five hundred and sixty-one is a composite number with 9 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 six thousand five hundred and sixty-one has the following 1 prime factor:

3
313
Three in Base 13 Tridecimal

Prime Factorization

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

3138 = 2ca913

Base Conversions

The number six thousand five hundred and sixty-one in 35 different bases