The Number

20828

Twenty Thousand Eight Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

254h21

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
20827
254g21
Twenty Thousand Eight Hundred and Twenty-Seven in Base 21 Unovigesimal
20829
254i21
Twenty Thousand Eight Hundred and Twenty-Nine in Base 21 Unovigesimal
20830
254j21
Twenty Thousand Eight Hundred and Thirty in Base 21 Unovigesimal
20831
254k21
Twenty Thousand Eight Hundred and Thirty-One in Base 21 Unovigesimal

Scientific Notation

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

2.0828e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000971h82hh27j0d21

The reciprocal of 20828 in Base 21 Unovigesimal.

Palindrome?

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

The number 254h21 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-eight 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.

Twenty thousand eight hundred and twenty-eight 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 twenty thousand eight hundred and twenty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal
127
6121
One Hundred and Twenty-Seven 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 · 1k211 · 61211 = 254h21

Base Conversions

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