The Number

18821

Eightteen Thousand Eight Hundred and Twenty-One

In Base 12 Duodecimal Is

aa8512

The numbers with a 12 subscript use Base 12 Duodecimal 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
aa8212
Eightteen Thousand Eight Hundred and Eightteen in Base 12 Duodecimal
18819
aa8312
Eightteen Thousand Eight Hundred and Nineteen in Base 12 Duodecimal
18820
aa8412
Eightteen Thousand Eight Hundred and Twenty in Base 12 Duodecimal
18822
aa8612
Eightteen Thousand Eight Hundred and Twenty-Two in Base 12 Duodecimal
18823
aa8712
Eightteen Thousand Eight Hundred and Twenty-Three in Base 12 Duodecimal
18824
aa8812
Eightteen Thousand Eight Hundred and Twenty-Four in Base 12 Duodecimal

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.

0.00011279a205b96978912

The reciprocal of 18821 in Base 12 Duodecimal.

Palindrome?

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

The number aa8512 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 12 Duodecimal

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
b12
Eleven in Base 12 Duodecimal
29
2512
Twenty-Nine in Base 12 Duodecimal
59
4b12
Fifty-Nine in Base 12 Duodecimal

Prime Factorization

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

b121 · 25121 · 4b121 = aa8512

Base Conversions

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