The Number

18381

Eightteen Thousand Three Hundred and Eighty-One

In Base 12 Duodecimal Is

a77912

The numbers with a 12 subscript use Base 12 Duodecimal 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
a77612
Eightteen Thousand Three Hundred and Seventy-Eight in Base 12 Duodecimal
18379
a77712
Eightteen Thousand Three Hundred and Seventy-Nine in Base 12 Duodecimal
18380
a77812
Eightteen Thousand Three Hundred and Eighty in Base 12 Duodecimal
18382
a77a12
Eightteen Thousand Three Hundred and Eighty-Two in Base 12 Duodecimal
18383
a77b12
Eightteen Thousand Three Hundred and Eighty-Three in Base 12 Duodecimal
18384
a78012
Eightteen Thousand Three Hundred and Eighty-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.

1.8381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00011654886579b337912

The reciprocal of 18381 in Base 12 Duodecimal.

Palindrome?

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

The number a77912 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 12 Duodecimal

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
312
Three in Base 12 Duodecimal
11
b12
Eleven in Base 12 Duodecimal
557
3a512
Five Hundred and Fifty-Seven in Base 12 Duodecimal

Prime Factorization

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

3121 · b121 · 3a5121 = a77912

Base Conversions

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