The Number

1821

One Thousand Eight Hundred and Twenty-One

In Base 30 Trigesimal Is

20l30

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

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

Nearby Numbers

Positive, nonzero integers within three units

1818
20i30
One Thousand Eight Hundred and Eightteen in Base 30 Trigesimal
1819
20j30
One Thousand Eight Hundred and Nineteen in Base 30 Trigesimal
1820
20k30
One Thousand Eight Hundred and Twenty in Base 30 Trigesimal
1822
20m30
One Thousand Eight Hundred and Twenty-Two in Base 30 Trigesimal
1823
20n30
One Thousand Eight Hundred and Twenty-Three in Base 30 Trigesimal
1824
20o30
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.

1.821e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00eoo9ekaq5ot30

The reciprocal of 1821 in Base 30 Trigesimal.

Palindrome?

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

The number 20l30 is not a palindrome.

Not A Prime Number

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

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.

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 one thousand eight hundred and twenty-one has the following 2 prime factors:

3
330
Three in Base 30 Trigesimal
607
k730
Six Hundred and Seven 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 · k7301 = 20l30

Base Conversions

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