The Number

1820

One Thousand Eight Hundred and Twenty

In Base 30 Trigesimal Is

20k30

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

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

Nearby Numbers

Positive, nonzero integers within three units

1817
20h30
One Thousand Eight Hundred and Seventeen in Base 30 Trigesimal
1818
20i30
One Thousand Eight Hundred and Eightteen in Base 30 Trigesimal
1819
20j30
One Thousand Eight Hundred and Nineteen in Base 30 Trigesimal
1821
20l30
One Thousand Eight Hundred and Twenty-One 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

Scientific Notation

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

1.820e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00ep1jdfep1je30

The reciprocal of 1820 in Base 30 Trigesimal.

Palindrome?

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

The number 20k30 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 is a composite number with 24 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 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 one thousand eight hundred and twenty has the following 4 prime factors:

2
230
Two in Base 30 Trigesimal
5
530
Five in Base 30 Trigesimal
7
730
Seven in Base 30 Trigesimal
13
d30
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

2302 · 5301 · 7301 · d301 = 20k30

Base Conversions

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