The Number

19820

Nineteen Thousand Eight Hundred and Twenty

In Base 21 Unovigesimal Is

22jh21

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

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

Nearby Numbers

Positive, nonzero integers within three units

19817
22je21
Nineteen Thousand Eight Hundred and Seventeen in Base 21 Unovigesimal
19818
22jf21
Nineteen Thousand Eight Hundred and Eightteen in Base 21 Unovigesimal
19819
22jg21
Nineteen Thousand Eight Hundred and Nineteen in Base 21 Unovigesimal
19821
22ji21
Nineteen Thousand Eight Hundred and Twenty-One in Base 21 Unovigesimal
19822
22jj21
Nineteen Thousand Eight Hundred and Twenty-Two in Base 21 Unovigesimal
19823
22jk21
Nineteen Thousand Eight Hundred and Twenty-Three in Base 21 Unovigesimal

Scientific Notation

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

1.9820e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009h155h87gg9gd21

The reciprocal of 19820 in Base 21 Unovigesimal.

Palindrome?

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

The number 22jh21 is not a palindrome.

Not A Prime Number

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

Nineteen thousand eight hundred and twenty 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.

Nineteen thousand eight hundred and twenty 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 nineteen thousand eight hundred and twenty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
991
25421
Nine Hundred and Ninety-One in Base 21 Unovigesimal

Prime Factorization

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

2212 · 5211 · 254211 = 22jh21

Base Conversions

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