The Number

21091

Twenty-One Thousand and Ninety-One

In Base 27 Heptavigesimal Is

11p427

The numbers with a 27 subscript use Base 27 Heptavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21088
11p127
Twenty-One Thousand and Eighty-Eight in Base 27 Heptavigesimal
21089
11p227
Twenty-One Thousand and Eighty-Nine in Base 27 Heptavigesimal
21090
11p327
Twenty-One Thousand and Ninety in Base 27 Heptavigesimal
21092
11p527
Twenty-One Thousand and Ninety-Two in Base 27 Heptavigesimal
21093
11p627
Twenty-One Thousand and Ninety-Three in Base 27 Heptavigesimal
21094
11p727
Twenty-One Thousand and Ninety-Four in Base 27 Heptavigesimal

Scientific Notation

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

2.1091e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000p58qno060aa27

The reciprocal of 21091 in Base 27 Heptavigesimal.

Palindrome?

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

The number 11p427 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 and ninety-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 27 Heptavigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and ninety-one 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 and ninety-one has the following 3 prime factors:

7
727
Seven in Base 27 Heptavigesimal
23
n27
Twenty-Three in Base 27 Heptavigesimal
131
4n27
One Hundred and Thirty-One in Base 27 Heptavigesimal

Prime Factorization

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

7271 · n271 · 4n271 = 11p427

Base Conversions

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