The Number

18821

Eightteen Thousand Eight Hundred and Twenty-One

In Base 18 Octodecimal Is

341b18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

18818
341818
Eightteen Thousand Eight Hundred and Eightteen in Base 18 Octodecimal
18819
341918
Eightteen Thousand Eight Hundred and Nineteen in Base 18 Octodecimal
18820
341a18
Eightteen Thousand Eight Hundred and Twenty in Base 18 Octodecimal
18822
341c18
Eightteen Thousand Eight Hundred and Twenty-Two in Base 18 Octodecimal
18823
341d18
Eightteen Thousand Eight Hundred and Twenty-Three in Base 18 Octodecimal
18824
341e18
Eightteen Thousand Eight Hundred and Twenty-Four in Base 18 Octodecimal

Scientific Notation

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

1.8821e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0005a72a1943dd05a18

The reciprocal of 18821 in Base 18 Octodecimal.

Palindrome?

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

The number 341b18 is not a palindrome.

Not A Prime Number

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

Eightteen thousand eight hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Eightteen thousand eight hundred and twenty-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 eightteen thousand eight hundred and twenty-one has the following 3 prime factors:

11
b18
Eleven in Base 18 Octodecimal
29
1b18
Twenty-Nine in Base 18 Octodecimal
59
3518
Fifty-Nine in Base 18 Octodecimal

Prime Factorization

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

b181 · 1b181 · 35181 = 341b18

Base Conversions

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