The Number

12819

Twelve Thousand Eight Hundred and Nineteen

In Base 21 Unovigesimal Is

181921

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

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

Nearby Numbers

Positive, nonzero integers within three units

12816
181621
Twelve Thousand Eight Hundred and Sixteen in Base 21 Unovigesimal
12817
181721
Twelve Thousand Eight Hundred and Seventeen in Base 21 Unovigesimal
12818
181821
Twelve Thousand Eight Hundred and Eightteen in Base 21 Unovigesimal
12820
181a21
Twelve Thousand Eight Hundred and Twenty in Base 21 Unovigesimal
12821
181b21
Twelve Thousand Eight Hundred and Twenty-One in Base 21 Unovigesimal
12822
181c21
Twelve Thousand Eight Hundred and Twenty-Two in Base 21 Unovigesimal

Scientific Notation

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

1.2819e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000f3cba410i9k21

The reciprocal of 12819 in Base 21 Unovigesimal.

Palindrome?

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

The number 181921 is not a palindrome.

Not A Prime Number

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

Twelve thousand eight hundred and nineteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand eight hundred and nineteen 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 twelve thousand eight hundred and nineteen has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
4273
9ea21
Four Thousand Two Hundred and Seventy-Three in Base 21 Unovigesimal

Prime Factorization

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

3211 · 9ea211 = 181921

Base Conversions

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