The Number

2381

Two Thousand Three Hundred and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

2378
Two Thousand Three Hundred and Seventy-Eight
2379
Two Thousand Three Hundred and Seventy-Nine
2380
Two Thousand Three Hundred and Eighty
2382
Two Thousand Three Hundred and Eighty-Two
2383
Two Thousand Three Hundred and Eighty-Three
2384
Two 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.

2.381e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00041999160016799666

The reciprocal of 2381.

Palindrome?

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

The number 2381 is not a palindrome.

A Prime Number

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

Two thousand three hundred and eighty-one is the 353rd prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

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

2381
Two 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

23811 = 2381

Base Conversions

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