The Number

20381

Twenty Thousand Three Hundred and Eighty-One

In Base 18 Octodecimal Is

38g518

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

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

Nearby Numbers

Positive, nonzero integers within three units

20378
38g218
Twenty Thousand Three Hundred and Seventy-Eight in Base 18 Octodecimal
20379
38g318
Twenty Thousand Three Hundred and Seventy-Nine in Base 18 Octodecimal
20380
38g418
Twenty Thousand Three Hundred and Eighty in Base 18 Octodecimal
20382
38g618
Twenty Thousand Three Hundred and Eighty-Two in Base 18 Octodecimal
20383
38g718
Twenty Thousand Three Hundred and Eighty-Three in Base 18 Octodecimal
20384
38g818
Twenty 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.

2.0381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00052cedd4dc103h18

The reciprocal of 20381 in Base 18 Octodecimal.

Palindrome?

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

The number 38g518 is not a palindrome.

Not A Prime Number

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

Twenty thousand three hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty thousand three hundred and eighty-one 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 thousand three hundred and eighty-one has the following 2 prime factors:

89
4h18
Eighty-Nine in Base 18 Octodecimal
229
cd18
Two Hundred and Twenty-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

4h181 · cd181 = 38g518

Base Conversions

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