The Number

19909

Nineteen Thousand Nine Hundred and Nine

In Base 21 Unovigesimal Is

233121

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

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

Nearby Numbers

Positive, nonzero integers within three units

19906
232j21
Nineteen Thousand Nine Hundred and Six in Base 21 Unovigesimal
19907
232k21
Nineteen Thousand Nine Hundred and Seven in Base 21 Unovigesimal
19908
233021
Nineteen Thousand Nine Hundred and Eight in Base 21 Unovigesimal
19910
233221
Nineteen Thousand Nine Hundred and Ten in Base 21 Unovigesimal
19911
233321
Nineteen Thousand Nine Hundred and Eleven in Base 21 Unovigesimal
19912
233421
Nineteen Thousand Nine Hundred and Twelve in Base 21 Unovigesimal

Scientific Notation

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

1.9909e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009g2j0kkag1k121

The reciprocal of 19909 in Base 21 Unovigesimal.

Palindrome?

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

The number 233121 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 nine hundred and nine 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 nine hundred and nine 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 nine hundred and nine has the following 2 prime factors:

43
2121
Forty-Three in Base 21 Unovigesimal
463
11121
Four Hundred and Sixty-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

21211 · 111211 = 233121

Base Conversions

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