The Number

21564

Twenty-One Thousand Five Hundred and Sixty-Four

In Base 9 Nonary Is

325209

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

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

Nearby Numbers

Positive, nonzero integers within three units

21561
325169
Twenty-One Thousand Five Hundred and Sixty-One in Base 9 Nonary
21562
325179
Twenty-One Thousand Five Hundred and Sixty-Two in Base 9 Nonary
21563
325189
Twenty-One Thousand Five Hundred and Sixty-Three in Base 9 Nonary
21565
325219
Twenty-One Thousand Five Hundred and Sixty-Five in Base 9 Nonary
21566
325229
Twenty-One Thousand Five Hundred and Sixty-Six in Base 9 Nonary
21567
325239
Twenty-One Thousand Five Hundred and Sixty-Seven in Base 9 Nonary

Scientific Notation

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

2.1564e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000265720622525625019

The reciprocal of 21564 in Base 9 Nonary.

Palindrome?

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

The number 325209 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand five hundred and sixty-four is a composite number with 18 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Twenty-one thousand five hundred and sixty-four is a composite number with 18 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-one thousand five hundred and sixty-four has the following 3 prime factors:

2
29
Two in Base 9 Nonary
3
39
Three in Base 9 Nonary
599
7359
Five Hundred and Ninety-Nine in Base 9 Nonary

Prime Factorization

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

292 · 392 · 73591 = 325209

Base Conversions

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