The Number

22381

Twenty-Two Thousand Three Hundred and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

22378
Twenty-Two Thousand Three Hundred and Seventy-Eight
22379
Twenty-Two Thousand Three Hundred and Seventy-Nine
22380
Twenty-Two Thousand Three Hundred and Eighty
22382
Twenty-Two Thousand Three Hundred and Eighty-Two
22383
Twenty-Two Thousand Three Hundred and Eighty-Three
22384
Twenty-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.

2.2381e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004468075599839149

The reciprocal of 22381.

Palindrome?

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

The number 22381 is not a palindrome.

A Prime Number

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

Twenty-two thousand three hundred and eighty-one is the 2505th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

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

22381
Twenty-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

223811 = 22381

Base Conversions

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