The Number

13581

Thirteen Thousand Five Hundred and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

13578
Thirteen Thousand Five Hundred and Seventy-Eight
13579
Thirteen Thousand Five Hundred and Seventy-Nine
13580
Thirteen Thousand Five Hundred and Eighty
13582
Thirteen Thousand Five Hundred and Eighty-Two
13583
Thirteen Thousand Five Hundred and Eighty-Three
13584
Thirteen Thousand Five Hundred and Eighty-Four

Scientific Notation

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

1.3581e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00007363228039172373

The reciprocal of 13581.

Palindrome?

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

The number 13581 is not a palindrome.

Not A Prime Number

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

Thirteen thousand five hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Thirteen thousand five hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).

Prime Factors

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

The number thirteen thousand five hundred and eighty-one has the following 2 prime factors:

3
Three
503
Five Hundred and Three

Prime Factorization

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

33 · 5031 = 13581

Base Conversions

The number thirteen thousand five hundred and eighty-one in 35 different bases