The Number

3681

Three Thousand Six Hundred and Eighty-One

Nearby Numbers

Positive, nonzero integers within three units

3678
Three Thousand Six Hundred and Seventy-Eight
3679
Three Thousand Six Hundred and Seventy-Nine
3680
Three Thousand Six Hundred and Eighty
3682
Three Thousand Six Hundred and Eighty-Two
3683
Three Thousand Six Hundred and Eighty-Three
3684
Three Thousand Six Hundred and Eighty-Four

Scientific Notation

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

3.681e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00027166530834012495

The reciprocal of 3681.

Palindrome?

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

The number 3681 is not a palindrome.

Not A Prime Number

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

Three thousand six hundred and eighty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Three thousand six hundred and eighty-one is a composite number with 6 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 three thousand six hundred and eighty-one has the following 2 prime factors:

3
Three
409
Four Hundred and Nine

Prime Factorization

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

32 · 4091 = 3681

Base Conversions

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