The Number

21423

Twenty-One Thousand Four Hundred and Twenty-Three

In Base 16 Hexadecimal Is

53af16

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

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

Nearby Numbers

Positive, nonzero integers within three units

21420
53ac16
Twenty-One Thousand Four Hundred and Twenty in Base 16 Hexadecimal
21421
53ad16
Twenty-One Thousand Four Hundred and Twenty-One in Base 16 Hexadecimal
21422
53ae16
Twenty-One Thousand Four Hundred and Twenty-Two in Base 16 Hexadecimal
21424
53b016
Twenty-One Thousand Four Hundred and Twenty-Four in Base 16 Hexadecimal
21425
53b116
Twenty-One Thousand Four Hundred and Twenty-Five in Base 16 Hexadecimal
21426
53b216
Twenty-One Thousand Four Hundred and Twenty-Six in Base 16 Hexadecimal

Scientific Notation

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

2.1423e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00030f23eed71270416

The reciprocal of 21423 in Base 16 Hexadecimal.

Palindrome?

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

The number 53af16 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 twenty-three is a composite number with 8 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 twenty-three 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 four hundred and twenty-three has the following 3 prime factors:

3
316
Three in Base 16 Hexadecimal
37
2516
Thirty-Seven in Base 16 Hexadecimal
193
c116
One Hundred and Ninety-Three in Base 16 Hexadecimal

Prime Factorization

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

3161 · 25161 · c1161 = 53af16

Base Conversions

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