The Number

6981

Six Thousand Nine Hundred and Eighty-One

In Base 18 Octodecimal Is

139f18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

6978
139c18
Six Thousand Nine Hundred and Seventy-Eight in Base 18 Octodecimal
6979
139d18
Six Thousand Nine Hundred and Seventy-Nine in Base 18 Octodecimal
6980
139e18
Six Thousand Nine Hundred and Eighty in Base 18 Octodecimal
6982
139g18
Six Thousand Nine Hundred and Eighty-Two in Base 18 Octodecimal
6983
139h18
Six Thousand Nine Hundred and Eighty-Three in Base 18 Octodecimal
6984
13a018
Six Thousand Nine Hundred and Eighty-Four in Base 18 Octodecimal

Scientific Notation

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

6.981e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000f0c20dbahf66f18

The reciprocal of 6981 in Base 18 Octodecimal.

Palindrome?

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

The number 139f18 is not a palindrome.

Not A Prime Number

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

Six thousand nine hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Six thousand nine 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 six thousand nine hundred and eighty-one has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
179
9h18
One Hundred and Seventy-Nine in Base 18 Octodecimal

Prime Factorization

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

3181 · d181 · 9h181 = 139f18

Base Conversions

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