The Number

21940

Twenty-One Thousand Nine Hundred and Forty

In Base 14 Quattuordecimal Is

7dd214

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

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

Nearby Numbers

Positive, nonzero integers within three units

21937
7dcd14
Twenty-One Thousand Nine Hundred and Thirty-Seven in Base 14 Quattuordecimal
21938
7dd014
Twenty-One Thousand Nine Hundred and Thirty-Eight in Base 14 Quattuordecimal
21939
7dd114
Twenty-One Thousand Nine Hundred and Thirty-Nine in Base 14 Quattuordecimal
21941
7dd314
Twenty-One Thousand Nine Hundred and Forty-One in Base 14 Quattuordecimal
21942
7dd414
Twenty-One Thousand Nine Hundred and Forty-Two in Base 14 Quattuordecimal
21943
7dd514
Twenty-One Thousand Nine Hundred and Forty-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.

2.1940e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a728aad225a38a14

The reciprocal of 21940 in Base 14 Quattuordecimal.

Palindrome?

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

The number 7dd214 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 forty is a composite number with 12 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 forty 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 twenty-one thousand nine hundred and forty has the following 3 prime factors:

2
214
Two in Base 14 Quattuordecimal
5
514
Five in Base 14 Quattuordecimal
1097
58514
One Thousand and Ninety-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

2142 · 5141 · 585141 = 7dd214

Base Conversions

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