The Number

19812

Nineteen Thousand Eight Hundred and Twelve

In Base 21 Unovigesimal Is

22j921

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

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

Nearby Numbers

Positive, nonzero integers within three units

19809
22j621
Nineteen Thousand Eight Hundred and Nine in Base 21 Unovigesimal
19810
22j721
Nineteen Thousand Eight Hundred and Ten in Base 21 Unovigesimal
19811
22j821
Nineteen Thousand Eight Hundred and Eleven in Base 21 Unovigesimal
19813
22ja21
Nineteen Thousand Eight Hundred and Thirteen in Base 21 Unovigesimal
19814
22jb21
Nineteen Thousand Eight Hundred and Fourteen in Base 21 Unovigesimal
19815
22jc21
Nineteen 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.

1.9812e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009h2kk87k30g4d21

The reciprocal of 19812 in Base 21 Unovigesimal.

Palindrome?

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

The number 22j921 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 twelve is a composite number with 24 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 twelve is a composite number with 24 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 twelve has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen 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 · 3211 · d211 · 61211 = 22j921

Base Conversions

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