The Number

21601

Twenty-One Thousand Six Hundred and One

In Base 15 Quindecimal Is

660115

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

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

Nearby Numbers

Positive, nonzero integers within three units

21598
65ed15
Twenty-One Thousand Five Hundred and Ninety-Eight in Base 15 Quindecimal
21599
65ee15
Twenty-One Thousand Five Hundred and Ninety-Nine in Base 15 Quindecimal
21600
660015
Twenty-One Thousand Six Hundred in Base 15 Quindecimal
21602
660215
Twenty-One Thousand Six Hundred and Two in Base 15 Quindecimal
21603
660315
Twenty-One Thousand Six Hundred and Three in Base 15 Quindecimal
21604
660415
Twenty-One Thousand Six Hundred and Four in Base 15 Quindecimal

Scientific Notation

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

2.1601e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002524bcb68bc16915

The reciprocal of 21601 in Base 15 Quindecimal.

Palindrome?

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

The number 660115 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand six hundred and one is the 2426th prime number.   See primes in Base 15 Quindecimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand Six Hundred and One is not a composite number because it has exactly two factors: One and Twenty-One Thousand Six Hundred and One

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 one has the following 1 prime factor:

21601
660115
Twenty-One Thousand Six Hundred and 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

6601151 = 660115

Base Conversions

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