The Number

21909

Twenty-One Thousand Nine Hundred and Nine

In Base 14 Quattuordecimal Is

7dad14

The numbers with a 14 subscript use Base 14 Quattuordecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21906
7daa14
Twenty-One Thousand Nine Hundred and Six in Base 14 Quattuordecimal
21907
7dab14
Twenty-One Thousand Nine Hundred and Seven in Base 14 Quattuordecimal
21908
7dac14
Twenty-One Thousand Nine Hundred and Eight in Base 14 Quattuordecimal
21910
7db014
Twenty-One Thousand Nine Hundred and Ten in Base 14 Quattuordecimal
21911
7db114
Twenty-One Thousand Nine Hundred and Eleven in Base 14 Quattuordecimal
21912
7db214
Twenty-One Thousand Nine Hundred and Twelve in Base 14 Quattuordecimal

Scientific Notation

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

2.1909e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a795d359d0d1dc14

The reciprocal of 21909 in Base 14 Quattuordecimal.

Palindrome?

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

The number 7dad14 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 nine hundred and nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 14 Quattuordecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and nine is a composite number with 8 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 nine hundred and nine has the following 3 prime factors:

3
314
Three in Base 14 Quattuordecimal
67
4b14
Sixty-Seven in Base 14 Quattuordecimal
109
7b14
One Hundred and Nine in Base 14 Quattuordecimal

Prime Factorization

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

3141 · 4b141 · 7b141 = 7dad14

Base Conversions

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