The Number

21648

Twenty-One Thousand Six Hundred and Forty-Eight

In Base 15 Quindecimal Is

663315

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

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

Nearby Numbers

Positive, nonzero integers within three units

21645
663015
Twenty-One Thousand Six Hundred and Forty-Five in Base 15 Quindecimal
21646
663115
Twenty-One Thousand Six Hundred and Forty-Six in Base 15 Quindecimal
21647
663215
Twenty-One Thousand Six Hundred and Forty-Seven in Base 15 Quindecimal
21649
663415
Twenty-One Thousand Six Hundred and Forty-Nine in Base 15 Quindecimal
21650
663515
Twenty-One Thousand Six Hundred and Fifty in Base 15 Quindecimal
21651
663615
Twenty-One Thousand Six Hundred and Fifty-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.

2.1648e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000251293caaebcb615

The reciprocal of 21648 in Base 15 Quindecimal.

Palindrome?

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

The number 663315 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 six hundred and forty-eight is a composite number with 40 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 six hundred and forty-eight is a composite number with 40 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 six hundred and forty-eight has the following 4 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
11
b15
Eleven in Base 15 Quindecimal
41
2b15
Forty-One in Base 15 Quindecimal

Prime Factorization

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

2154 · 3151 · b151 · 2b151 = 663315

Base Conversions

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