The Number

21813

Twenty-One Thousand Eight Hundred and Thirteen

In Base 30 Trigesimal Is

o7330

The numbers with a 30 subscript use Base 30 Trigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21810
o7030
Twenty-One Thousand Eight Hundred and Ten in Base 30 Trigesimal
21811
o7130
Twenty-One Thousand Eight Hundred and Eleven in Base 30 Trigesimal
21812
o7230
Twenty-One Thousand Eight Hundred and Twelve in Base 30 Trigesimal
21814
o7430
Twenty-One Thousand Eight Hundred and Fourteen in Base 30 Trigesimal
21815
o7530
Twenty-One Thousand Eight Hundred and Fifteen in Base 30 Trigesimal
21816
o7630
Twenty-One Thousand Eight Hundred and Sixteen in Base 30 Trigesimal

Scientific Notation

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

2.1813e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001740d3igj2aj30

The reciprocal of 21813 in Base 30 Trigesimal.

Palindrome?

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

The number o7330 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 thirteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 30 Trigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and thirteen is a composite number with 8 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 thirteen has the following 3 prime factors:

3
330
Three in Base 30 Trigesimal
11
b30
Eleven in Base 30 Trigesimal
661
m130
Six Hundred and Sixty-One in Base 30 Trigesimal

Prime Factorization

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

3301 · b301 · m1301 = o7330

Base Conversions

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