The Number

21812

Twenty-One Thousand Eight Hundred and Twelve

In Base 9 Nonary Is

328259

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

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

Nearby Numbers

Positive, nonzero integers within three units

21809
328229
Twenty-One Thousand Eight Hundred and Nine in Base 9 Nonary
21810
328239
Twenty-One Thousand Eight Hundred and Ten in Base 9 Nonary
21811
328249
Twenty-One Thousand Eight Hundred and Eleven in Base 9 Nonary
21813
328269
Twenty-One Thousand Eight Hundred and Thirteen in Base 9 Nonary
21814
328279
Twenty-One Thousand Eight Hundred and Fourteen in Base 9 Nonary
21815
328289
Twenty-One Thousand Eight Hundred and Fifteen in Base 9 Nonary

Scientific Notation

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

2.1812e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000026324721708503049

The reciprocal of 21812 in Base 9 Nonary.

Palindrome?

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

The number 328259 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 twelve 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 eight hundred and twelve 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 eight hundred and twelve has the following 4 prime factors:

2
29
Two in Base 9 Nonary
7
79
Seven in Base 9 Nonary
19
219
Nineteen in Base 9 Nonary
41
459
Forty-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

292 · 791 · 2191 · 4591 = 328259

Base Conversions

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