The Number

21490

Twenty-One Thousand Four Hundred and Ninety

In Base 16 Hexadecimal Is

53f216

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

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

Nearby Numbers

Positive, nonzero integers within three units

21487
53ef16
Twenty-One Thousand Four Hundred and Eighty-Seven in Base 16 Hexadecimal
21488
53f016
Twenty-One Thousand Four Hundred and Eighty-Eight in Base 16 Hexadecimal
21489
53f116
Twenty-One Thousand Four Hundred and Eighty-Nine in Base 16 Hexadecimal
21491
53f316
Twenty-One Thousand Four Hundred and Ninety-One in Base 16 Hexadecimal
21492
53f416
Twenty-One Thousand Four Hundred and Ninety-Two in Base 16 Hexadecimal
21493
53f516
Twenty-One Thousand Four Hundred and Ninety-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.

2.1490e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00030cb2e0dc557c16

The reciprocal of 21490 in Base 16 Hexadecimal.

Palindrome?

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

The number 53f216 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 ninety is a composite number with 16 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 ninety is a composite number with 16 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 ninety has the following 4 prime factors:

2
216
Two in Base 16 Hexadecimal
5
516
Five in Base 16 Hexadecimal
7
716
Seven in Base 16 Hexadecimal
307
13316
Three Hundred and 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

2161 · 5161 · 7161 · 133161 = 53f216

Base Conversions

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