The Number

20812

Twenty Thousand Eight Hundred and Twelve

In Base 21 Unovigesimal Is

254121

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

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

Nearby Numbers

Positive, nonzero integers within three units

20809
253j21
Twenty Thousand Eight Hundred and Nine in Base 21 Unovigesimal
20810
253k21
Twenty Thousand Eight Hundred and Ten in Base 21 Unovigesimal
20811
254021
Twenty Thousand Eight Hundred and Eleven in Base 21 Unovigesimal
20813
254221
Twenty Thousand Eight Hundred and Thirteen in Base 21 Unovigesimal
20814
254321
Twenty Thousand Eight Hundred and Fourteen in Base 21 Unovigesimal
20815
254421
Twenty Thousand Eight Hundred and Fifteen in Base 21 Unovigesimal

Scientific Notation

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

2.0812e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000974ki4ehhh6de21

The reciprocal of 20812 in Base 21 Unovigesimal.

Palindrome?

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

The number 254121 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 twelve is a composite number with 18 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 twelve is a composite number with 18 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 twelve has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
43
2121
Forty-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

2212 · b212 · 21211 = 254121

Base Conversions

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