The Number

21825

Twenty-One Thousand Eight Hundred and Twenty-Five

In Base 9 Nonary Is

328409

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

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

Nearby Numbers

Positive, nonzero integers within three units

21822
328369
Twenty-One Thousand Eight Hundred and Twenty-Two in Base 9 Nonary
21823
328379
Twenty-One Thousand Eight Hundred and Twenty-Three in Base 9 Nonary
21824
328389
Twenty-One Thousand Eight Hundred and Twenty-Four in Base 9 Nonary
21826
328419
Twenty-One Thousand Eight Hundred and Twenty-Six in Base 9 Nonary
21827
328429
Twenty-One Thousand Eight Hundred and Twenty-Seven in Base 9 Nonary
21828
328439
Twenty-One Thousand Eight Hundred and Twenty-Eight in Base 9 Nonary

Scientific Notation

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

2.1825e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002631320212135836149

The reciprocal of 21825 in Base 9 Nonary.

Palindrome?

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

The number 328409 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 eight hundred and twenty-five 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 eight hundred and twenty-five 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 eight hundred and twenty-five has the following 3 prime factors:

3
39
Three in Base 9 Nonary
5
59
Five in Base 9 Nonary
97
1179
Ninety-Seven in Base 9 Nonary

Prime Factorization

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

392 · 592 · 11791 = 328409

Base Conversions

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