The Number

21438

Twenty-One Thousand Four Hundred and Thirty-Eight

In Base 15 Quindecimal Is

654315

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21435
654015
Twenty-One Thousand Four Hundred and Thirty-Five in Base 15 Quindecimal
21436
654115
Twenty-One Thousand Four Hundred and Thirty-Six in Base 15 Quindecimal
21437
654215
Twenty-One Thousand Four Hundred and Thirty-Seven in Base 15 Quindecimal
21439
654415
Twenty-One Thousand Four Hundred and Thirty-Nine in Base 15 Quindecimal
21440
654515
Twenty-One Thousand Four Hundred and Forty in Base 15 Quindecimal
21441
654615
Twenty-One Thousand Four Hundred and Forty-One in Base 15 Quindecimal

Scientific Notation

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

2.1438e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002564de6336ccea15

The reciprocal of 21438 in Base 15 Quindecimal.

Palindrome?

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

The number 654315 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 thirty-eight is a composite number with 16 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 thirty-eight 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 thirty-eight has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
397
1b715
Three Hundred and Ninety-Seven in Base 15 Quindecimal

Prime Factorization

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

2151 · 3153 · 1b7151 = 654315

Base Conversions

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