The Number

16381

Sixteen Thousand Three Hundred and Eighty-One

In Base 2 Binary Is

111111111111012

The numbers with a 2 subscript use Base 2 Binary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

16378
111111111110102
Sixteen Thousand Three Hundred and Seventy-Eight in Base 2 Binary
16379
111111111110112
Sixteen Thousand Three Hundred and Seventy-Nine in Base 2 Binary
16380
111111111111002
Sixteen Thousand Three Hundred and Eighty in Base 2 Binary
16382
111111111111102
Sixteen Thousand Three Hundred and Eighty-Two in Base 2 Binary
16383
111111111111112
Sixteen Thousand Three Hundred and Eighty-Three in Base 2 Binary
16384
1000000000000002
Sixteen Thousand Three Hundred and Eighty-Four in Base 2 Binary

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.6381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000000000100000000000011000000000010010000000001101100000001012

The reciprocal of 16381 in Base 2 Binary.

Palindrome?

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

The number 111111111111012 is not a palindrome.

A Prime Number

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

Sixteen thousand three hundred and eighty-one is the 1900th prime number.   See primes in Base 2 Binary

Not A Composite

Composites have more than just these two factors.

Sixteen Thousand Three Hundred and Eighty-One is not a composite number because it has exactly two factors: One and Sixteen Thousand Three Hundred and Eighty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number sixteen thousand three hundred and eighty-one has the following 1 prime factor:

16381
111111111111012
Sixteen Thousand Three Hundred and Eighty-One in Base 2 Binary

Prime Factorization

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

1111111111110121 = 111111111111012

Base Conversions

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