The Number

18821

Eightteen Thousand Eight Hundred and Twenty-One

In Base 11 Undecimal Is

1316011

The numbers with a 11 subscript use Base 11 Undecimal 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
1315811
Eightteen Thousand Eight Hundred and Eightteen in Base 11 Undecimal
18819
1315911
Eightteen Thousand Eight Hundred and Nineteen in Base 11 Undecimal
18820
1315a11
Eightteen Thousand Eight Hundred and Twenty in Base 11 Undecimal
18822
1316111
Eightteen Thousand Eight Hundred and Twenty-Two in Base 11 Undecimal
18823
1316211
Eightteen Thousand Eight Hundred and Twenty-Three in Base 11 Undecimal
18824
1316311
Eightteen Thousand Eight Hundred and Twenty-Four in Base 11 Undecimal

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.

0.0000861438958099146911

The reciprocal of 18821 in Base 11 Undecimal.

Palindrome?

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

The number 1316011 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 11 Undecimal

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
1011
Eleven in Base 11 Undecimal
29
2711
Twenty-Nine in Base 11 Undecimal
59
5411
Fifty-Nine in Base 11 Undecimal

Prime Factorization

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

10111 · 27111 · 54111 = 1316011

Base Conversions

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