The Number

21423

Twenty-One Thousand Four Hundred and Twenty-Three

In Base 15 Quindecimal Is

653315

The numbers with a 15 subscript use Base 15 Quindecimal 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
653015
Twenty-One Thousand Four Hundred and Twenty in Base 15 Quindecimal
21421
653115
Twenty-One Thousand Four Hundred and Twenty-One in Base 15 Quindecimal
21422
653215
Twenty-One Thousand Four Hundred and Twenty-Two in Base 15 Quindecimal
21424
653415
Twenty-One Thousand Four Hundred and Twenty-Four in Base 15 Quindecimal
21425
653515
Twenty-One Thousand Four Hundred and Twenty-Five in Base 15 Quindecimal
21426
653615
Twenty-One Thousand Four Hundred and Twenty-Six in Base 15 Quindecimal

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.

0.000256a7a01181d8a15

The reciprocal of 21423 in Base 15 Quindecimal.

Palindrome?

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

The number 653315 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 15 Quindecimal

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
315
Three in Base 15 Quindecimal
37
2715
Thirty-Seven in Base 15 Quindecimal
193
cd15
One Hundred and Ninety-Three in Base 15 Quindecimal

Prime Factorization

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

3151 · 27151 · cd151 = 653315

Base Conversions

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