The Number

19807

Nineteen Thousand Eight Hundred and Seven

In Base 21 Unovigesimal Is

22j421

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

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

Nearby Numbers

Positive, nonzero integers within three units

19804
22j121
Nineteen Thousand Eight Hundred and Four in Base 21 Unovigesimal
19805
22j221
Nineteen Thousand Eight Hundred and Five in Base 21 Unovigesimal
19806
22j321
Nineteen Thousand Eight Hundred and Six in Base 21 Unovigesimal
19808
22j521
Nineteen Thousand Eight Hundred and Eight in Base 21 Unovigesimal
19809
22j621
Nineteen Thousand Eight Hundred and Nine in Base 21 Unovigesimal
19810
22j721
Nineteen Thousand Eight Hundred and Ten in Base 21 Unovigesimal

Scientific Notation

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

1.9807e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009h41j6fhhc5b21

The reciprocal of 19807 in Base 21 Unovigesimal.

Palindrome?

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

The number 22j421 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 seven 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.

Nineteen thousand eight hundred and seven 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 nineteen thousand eight hundred and seven has the following 2 prime factors:

29
1821
Twenty-Nine in Base 21 Unovigesimal
683
1bb21
Six Hundred and Eighty-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

18211 · 1bb211 = 22j421

Base Conversions

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