The Number

19808

Nineteen Thousand Eight Hundred and Eight

In Base 21 Unovigesimal Is

22j521

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

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

Nearby Numbers

Positive, nonzero integers within three units

19805
22j221
Nineteen Thousand Eight Hundred and Five in Base 21 Unovigesimal
19806
22j321
Nineteen Thousand Eight Hundred and Six in Base 21 Unovigesimal
19807
22j421
Nineteen Thousand Eight Hundred and Seven 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
19811
22j821
Nineteen Thousand Eight Hundred and Eleven in Base 21 Unovigesimal

Scientific Notation

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

1.9808e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009h3i6j5e974921

The reciprocal of 19808 in Base 21 Unovigesimal.

Palindrome?

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

The number 22j521 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 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.

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

2
221
Two in Base 21 Unovigesimal
619
18a21
Six Hundred and Nineteen in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2215 · 18a211 = 22j521

Base Conversions

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