The Number

30821

Thirty Thousand Eight Hundred and Twenty-One

In Base 21 Unovigesimal Is

36ie21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

30818
36ib21
Thirty Thousand Eight Hundred and Eightteen in Base 21 Unovigesimal
30819
36ic21
Thirty Thousand Eight Hundred and Nineteen in Base 21 Unovigesimal
30820
36id21
Thirty Thousand Eight Hundred and Twenty in Base 21 Unovigesimal
30822
36if21
Thirty Thousand Eight Hundred and Twenty-Two in Base 21 Unovigesimal
30823
36ig21
Thirty Thousand Eight Hundred and Twenty-Three in Base 21 Unovigesimal
30824
36ih21
Thirty Thousand Eight Hundred and Twenty-Four in Base 21 Unovigesimal

Scientific Notation

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

3.0821e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00066af1450i4gk21

The reciprocal of 30821 in Base 21 Unovigesimal.

Palindrome?

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

The number 36ie21 is not a palindrome.

Not A Prime Number

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

Thirty thousand eight hundred and twenty-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirty thousand eight hundred and twenty-one is a composite number with 12 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 thirty thousand eight hundred and twenty-one has the following 3 prime factors:

7
721
Seven in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal

Prime Factorization

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

7212 · h211 · 1g211 = 36ie21

Base Conversions

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