The Number

3861

Three Thousand Eight Hundred and Sixty-One

Nearby Numbers

Positive, nonzero integers within three units

3858
Three Thousand Eight Hundred and Fifty-Eight
3859
Three Thousand Eight Hundred and Fifty-Nine
3860
Three Thousand Eight Hundred and Sixty
3862
Three Thousand Eight Hundred and Sixty-Two
3863
Three Thousand Eight Hundred and Sixty-Three
3864
Three Thousand Eight Hundred and Sixty-Four

Scientific Notation

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

3.861e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000259000259000259

The reciprocal of 3861.

Palindrome?

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

The number 3861 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 eight hundred and sixty-one is a composite number with 16 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Three thousand eight hundred and sixty-one is a composite number with 16 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 eight hundred and sixty-one has the following 3 prime factors:

3
Three
11
Eleven
13
Thirteen

Prime Factorization

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

33 · 111 · 131 = 3861

Base Conversions

The number three thousand eight hundred and sixty-one in 35 different bases