The Number

18381

Eightteen Thousand Three Hundred and Eighty-One

In Base 18 Octodecimal Is

32d318

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

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

Nearby Numbers

Positive, nonzero integers within three units

18378
32d018
Eightteen Thousand Three Hundred and Seventy-Eight in Base 18 Octodecimal
18379
32d118
Eightteen Thousand Three Hundred and Seventy-Nine in Base 18 Octodecimal
18380
32d218
Eightteen Thousand Three Hundred and Eighty in Base 18 Octodecimal
18382
32d418
Eightteen Thousand Three Hundred and Eighty-Two in Base 18 Octodecimal
18383
32d518
Eightteen Thousand Three Hundred and Eighty-Three in Base 18 Octodecimal
18384
32d618
Eightteen Thousand Three Hundred and Eighty-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.

1.8381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0005ce73hbdc4dhc918

The reciprocal of 18381 in Base 18 Octodecimal.

Palindrome?

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

The number 32d318 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 three hundred and eighty-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 three hundred and eighty-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 three hundred and eighty-one has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
557
1ch18
Five Hundred and Fifty-Seven in Base 18 Octodecimal

Prime Factorization

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

3181 · b181 · 1ch181 = 32d318

Base Conversions

The number eightteen thousand three hundred and eighty-one in 35 different bases