The Number

19381

Nineteen Thousand Three Hundred and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

19378
Nineteen Thousand Three Hundred and Seventy-Eight
19379
Nineteen Thousand Three Hundred and Seventy-Nine
19380
Nineteen Thousand Three Hundred and Eighty
19382
Nineteen Thousand Three Hundred and Eighty-Two
19383
Nineteen Thousand Three Hundred and Eighty-Three
19384
Nineteen 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.

1.9381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00005159692482328053

The reciprocal of 19381.

Palindrome?

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

The number 19381 is not a palindrome.

A Prime Number

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

Nineteen thousand three hundred and eighty-one is the 2194th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

Nineteen Thousand Three Hundred and Eighty-One is not a composite number because it has exactly two factors: One and Nineteen 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 nineteen thousand three hundred and eighty-one has the following 1 prime factor:

19381
Nineteen 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

193811 = 19381

Base Conversions

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