The Number

16381

Sixteen Thousand Three Hundred and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

16378
Sixteen Thousand Three Hundred and Seventy-Eight
16379
Sixteen Thousand Three Hundred and Seventy-Nine
16380
Sixteen Thousand Three Hundred and Eighty
16382
Sixteen Thousand Three Hundred and Eighty-Two
16383
Sixteen Thousand Three Hundred and Eighty-Three
16384
Sixteen Thousand Three Hundred and Eighty-Four

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.

0.00006104633416763323

The reciprocal of 16381.

Palindrome?

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

The number 16381 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 10 Decimal

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
Sixteen Thousand Three Hundred and Eighty-One

Prime Factorization

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

163811 = 16381

Base Conversions

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