The Number

21309

Twenty-One Thousand Three Hundred and Nine

In Base 19 Nonadecimal Is

320a19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

For more familiar numbers: See Twenty-One Thousand Three Hundred and Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21306
320719
Twenty-One Thousand Three Hundred and Six in Base 19 Nonadecimal
21307
320819
Twenty-One Thousand Three Hundred and Seven in Base 19 Nonadecimal
21308
320919
Twenty-One Thousand Three Hundred and Eight in Base 19 Nonadecimal
21310
320b19
Twenty-One Thousand Three Hundred and Ten in Base 19 Nonadecimal
21311
320c19
Twenty-One Thousand Three Hundred and Eleven in Base 19 Nonadecimal
21312
320d19
Twenty-One Thousand Three Hundred and Twelve in Base 19 Nonadecimal

Scientific Notation

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

2.1309e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000623f1bbc3fc4819

The reciprocal of 21309 in Base 19 Nonadecimal.

Palindrome?

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

The number 320a19 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand three hundred and nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand three 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 twenty-one thousand three hundred and nine has the following 2 prime factors:

3
319
Three in Base 19 Nonadecimal
7103
10cg19
Seven Thousand One Hundred and Three in Base 19 Nonadecimal

Prime Factorization

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

3191 · 10cg191 = 320a19

Base Conversions

The number twenty-one thousand three hundred and nine in 35 different bases