The Number

7981

Seven Thousand Nine Hundred and Eighty-One

In Base 13 Tridecimal Is

382c13

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

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

Nearby Numbers

Positive, nonzero integers within three units

7978
382913
Seven Thousand Nine Hundred and Seventy-Eight in Base 13 Tridecimal
7979
382a13
Seven Thousand Nine Hundred and Seventy-Nine in Base 13 Tridecimal
7980
382b13
Seven Thousand Nine Hundred and Eighty in Base 13 Tridecimal
7982
383013
Seven Thousand Nine Hundred and Eighty-Two in Base 13 Tridecimal
7983
383113
Seven Thousand Nine Hundred and Eighty-Three in Base 13 Tridecimal
7984
383213
Seven Thousand Nine 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.

7.981e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000376a3118653c3cb13

The reciprocal of 7981 in Base 13 Tridecimal.

Palindrome?

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

The number 382c13 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 nine hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Seven thousand nine hundred and eighty-one is a composite number with 4 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 nine hundred and eighty-one has the following 2 prime factors:

23
1a13
Twenty-Three in Base 13 Tridecimal
347
20913
Three Hundred and Forty-Seven in Base 13 Tridecimal

Prime Factorization

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

1a131 · 209131 = 382c13

Base Conversions

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