The Number

21440

Twenty-One Thousand Four Hundred and Forty

In Base 16 Hexadecimal Is

53c016

The numbers with a 16 subscript use Base 16 Hexadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21437
53bd16
Twenty-One Thousand Four Hundred and Thirty-Seven in Base 16 Hexadecimal
21438
53be16
Twenty-One Thousand Four Hundred and Thirty-Eight in Base 16 Hexadecimal
21439
53bf16
Twenty-One Thousand Four Hundred and Thirty-Nine in Base 16 Hexadecimal
21441
53c116
Twenty-One Thousand Four Hundred and Forty-One in Base 16 Hexadecimal
21442
53c216
Twenty-One Thousand Four Hundred and Forty-Two in Base 16 Hexadecimal
21443
53c316
Twenty-One Thousand Four Hundred and Forty-Three in Base 16 Hexadecimal

Scientific Notation

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

2.1440e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00030e84f7981257216

The reciprocal of 21440 in Base 16 Hexadecimal.

Palindrome?

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

The number 53c016 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 four hundred and forty is a composite number with 28 total factors (including 1 and itself).   See primes in Base 16 Hexadecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand four hundred and forty is a composite number with 28 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 four hundred and forty has the following 3 prime factors:

2
216
Two in Base 16 Hexadecimal
5
516
Five in Base 16 Hexadecimal
67
4316
Sixty-Seven in Base 16 Hexadecimal

Prime Factorization

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

2166 · 5161 · 43161 = 53c016

Base Conversions

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