The Number

21920

Twenty-One Thousand Nine Hundred and Twenty

In Base 14 Quattuordecimal Is

7dba14

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

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

Nearby Numbers

Positive, nonzero integers within three units

21917
7db714
Twenty-One Thousand Nine Hundred and Seventeen in Base 14 Quattuordecimal
21918
7db814
Twenty-One Thousand Nine Hundred and Eightteen in Base 14 Quattuordecimal
21919
7db914
Twenty-One Thousand Nine Hundred and Nineteen in Base 14 Quattuordecimal
21921
7dbb14
Twenty-One Thousand Nine Hundred and Twenty-One in Base 14 Quattuordecimal
21922
7dbc14
Twenty-One Thousand Nine Hundred and Twenty-Two in Base 14 Quattuordecimal
21923
7dbd14
Twenty-One Thousand Nine Hundred and Twenty-Three in Base 14 Quattuordecimal

Scientific Notation

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

2.1920e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a770200802409614

The reciprocal of 21920 in Base 14 Quattuordecimal.

Palindrome?

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

The number 7dba14 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 twenty is a composite number with 24 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 twenty is a composite number with 24 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 twenty has the following 3 prime factors:

2
214
Two in Base 14 Quattuordecimal
5
514
Five in Base 14 Quattuordecimal
137
9b14
One Hundred and Thirty-Seven in Base 14 Quattuordecimal

Prime Factorization

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

2145 · 5141 · 9b141 = 7dba14

Base Conversions

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