The Number

981

Nine Hundred and Eighty-One

In Base 8 Octal Is

17258

The numbers with a 8 subscript use Base 8 Octal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

978
17228
Nine Hundred and Seventy-Eight in Base 8 Octal
979
17238
Nine Hundred and Seventy-Nine in Base 8 Octal
980
17248
Nine Hundred and Eighty in Base 8 Octal
982
17268
Nine Hundred and Eighty-Two in Base 8 Octal
983
17278
Nine Hundred and Eighty-Three in Base 8 Octal
984
17308
Nine Hundred and Eighty-Four in Base 8 Octal

Scientific Notation

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

9.81e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0004131612030004131628

The reciprocal of 981 in Base 8 Octal.

Palindrome?

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

The number 17258 is not a palindrome.

Not A Prime Number

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

Nine hundred and eighty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Nine 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 nine hundred and eighty-one has the following 2 prime factors:

3
38
Three in Base 8 Octal
109
1558
One Hundred and Nine in Base 8 Octal

Prime Factorization

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

382 · 15581 = 17258

Base Conversions

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