The Number

21811

Twenty-One Thousand Eight Hundred and Eleven

In Base 27 Heptavigesimal Is

12om27

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

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

Nearby Numbers

Positive, nonzero integers within three units

21808
12oj27
Twenty-One Thousand Eight Hundred and Eight in Base 27 Heptavigesimal
21809
12ok27
Twenty-One Thousand Eight Hundred and Nine in Base 27 Heptavigesimal
21810
12ol27
Twenty-One Thousand Eight Hundred and Ten in Base 27 Heptavigesimal
21812
12on27
Twenty-One Thousand Eight Hundred and Twelve in Base 27 Heptavigesimal
21813
12oo27
Twenty-One Thousand Eight Hundred and Thirteen in Base 27 Heptavigesimal
21814
12op27
Twenty-One Thousand Eight Hundred and Fourteen in Base 27 Heptavigesimal

Scientific Notation

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

2.1811e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000o9ngjc4pkeh27

The reciprocal of 21811 in Base 27 Heptavigesimal.

Palindrome?

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

The number 12om27 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 eight hundred and eleven is a composite number with 4 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 eight hundred and eleven is a composite number with 4 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 eight hundred and eleven has the following 2 prime factors:

17
h27
Seventeen in Base 27 Heptavigesimal
1283
1ke27
One Thousand Two Hundred and Eighty-Three in Base 27 Heptavigesimal

Prime Factorization

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

h271 · 1ke271 = 12om27

Base Conversions

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