The Number

81821

Eighty-One Thousand Eight Hundred and Twenty-One

In Base 30 Trigesimal Is

30rb30

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

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

Nearby Numbers

Positive, nonzero integers within three units

81818
30r830
Eighty-One Thousand Eight Hundred and Eightteen in Base 30 Trigesimal
81819
30r930
Eighty-One Thousand Eight Hundred and Nineteen in Base 30 Trigesimal
81820
30ra30
Eighty-One Thousand Eight Hundred and Twenty in Base 30 Trigesimal
81822
30rc30
Eighty-One Thousand Eight Hundred and Twenty-Two in Base 30 Trigesimal
81823
30rd30
Eighty-One Thousand Eight Hundred and Twenty-Three in Base 30 Trigesimal
81824
30re30
Eighty-One Thousand Eight Hundred and Twenty-Four in Base 30 Trigesimal

Scientific Notation

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

8.1821e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009qtknntgpto30

The reciprocal of 81821 in Base 30 Trigesimal.

Palindrome?

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

The number 30rb30 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand eight hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 30 Trigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand eight hundred and twenty-one is a composite number with 4 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 eighty-one thousand eight hundred and twenty-one has the following 2 prime factors:

17
h30
Seventeen in Base 30 Trigesimal
4813
5ad30
Four Thousand Eight Hundred and Thirteen in Base 30 Trigesimal

Prime Factorization

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

h301 · 5ad301 = 30rb30

Base Conversions

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