The Number

20823

Twenty Thousand Eight Hundred and Twenty-Three

In Base 21 Unovigesimal Is

254c21

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

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

Nearby Numbers

Positive, nonzero integers within three units

20820
254921
Twenty Thousand Eight Hundred and Twenty in Base 21 Unovigesimal
20821
254a21
Twenty Thousand Eight Hundred and Twenty-One in Base 21 Unovigesimal
20822
254b21
Twenty Thousand Eight Hundred and Twenty-Two in Base 21 Unovigesimal
20824
254d21
Twenty Thousand Eight Hundred and Twenty-Four in Base 21 Unovigesimal
20825
254e21
Twenty Thousand Eight Hundred and Twenty-Five in Base 21 Unovigesimal
20826
254f21
Twenty Thousand Eight Hundred and Twenty-Six in Base 21 Unovigesimal

Scientific Notation

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

2.0823e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000972h33hd36d621

The reciprocal of 20823 in Base 21 Unovigesimal.

Palindrome?

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

The number 254c21 is not a palindrome.

Not A Prime Number

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

Twenty thousand eight hundred and twenty-three is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand eight hundred and twenty-three is a composite number with 8 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 twenty thousand eight hundred and twenty-three has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
631
19121
Six Hundred and Thirty-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

3211 · b211 · 191211 = 254c21

Base Conversions

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