The Number

21180

Twenty-One Thousand One Hundred and Eighty

In Base 9 Nonary Is

320439

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

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

Nearby Numbers

Positive, nonzero integers within three units

21177
320409
Twenty-One Thousand One Hundred and Seventy-Seven in Base 9 Nonary
21178
320419
Twenty-One Thousand One Hundred and Seventy-Eight in Base 9 Nonary
21179
320429
Twenty-One Thousand One Hundred and Seventy-Nine in Base 9 Nonary
21181
320449
Twenty-One Thousand One Hundred and Eighty-One in Base 9 Nonary
21182
320459
Twenty-One Thousand One Hundred and Eighty-Two in Base 9 Nonary
21183
320469
Twenty-One Thousand One Hundred and Eighty-Three in Base 9 Nonary

Scientific Notation

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

2.1180e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000270737237818254349

The reciprocal of 21180 in Base 9 Nonary.

Palindrome?

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

The number 320439 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 one hundred and eighty is a composite number with 24 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 one hundred and eighty is a composite number with 24 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 one hundred and eighty has the following 4 prime factors:

2
29
Two in Base 9 Nonary
3
39
Three in Base 9 Nonary
5
59
Five in Base 9 Nonary
353
4329
Three Hundred and Fifty-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

292 · 391 · 591 · 43291 = 320439

Base Conversions

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