The Number

7881

Seven Thousand Eight Hundred and Eighty-One

In Base 13 Tridecimal Is

378313

The numbers with a 13 subscript use Base 13 Tridecimal notation.

For more familiar numbers: See Seven Thousand Eight Hundred and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

7878
378013
Seven Thousand Eight Hundred and Seventy-Eight in Base 13 Tridecimal
7879
378113
Seven Thousand Eight Hundred and Seventy-Nine in Base 13 Tridecimal
7880
378213
Seven Thousand Eight Hundred and Eighty in Base 13 Tridecimal
7882
378413
Seven Thousand Eight Hundred and Eighty-Two in Base 13 Tridecimal
7883
378513
Seven Thousand Eight Hundred and Eighty-Three in Base 13 Tridecimal
7884
378613
Seven Thousand Eight Hundred and Eighty-Four in Base 13 Tridecimal

Scientific Notation

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

7.881e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0003815ccb7b59007213

The reciprocal of 7881 in Base 13 Tridecimal.

Palindrome?

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

The number 378313 is not a palindrome.

Not A Prime Number

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

Seven thousand eight hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Seven thousand eight 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 seven thousand eight hundred and eighty-one has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
37
2b13
Thirty-Seven in Base 13 Tridecimal
71
5613
Seventy-One in Base 13 Tridecimal

Prime Factorization

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

3131 · 2b131 · 56131 = 378313

Base Conversions

The number seven thousand eight hundred and eighty-one in 35 different bases