The Number

13181

Thirteen Thousand One Hundred and Eighty-One

In Base 8 Octal Is

315758

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

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

Nearby Numbers

Positive, nonzero integers within three units

13178
315728
Thirteen Thousand One Hundred and Seventy-Eight in Base 8 Octal
13179
315738
Thirteen Thousand One Hundred and Seventy-Nine in Base 8 Octal
13180
315748
Thirteen Thousand One Hundred and Eighty in Base 8 Octal
13182
315768
Thirteen Thousand One Hundred and Eighty-Two in Base 8 Octal
13183
315778
Thirteen Thousand One Hundred and Eighty-Three in Base 8 Octal
13184
316008
Thirteen Thousand One 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.

1.3181e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002370652522011434358

The reciprocal of 13181 in Base 8 Octal.

Palindrome?

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

The number 315758 is not a palindrome.

Not A Prime Number

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

Thirteen thousand one 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.

Thirteen thousand one 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 thirteen thousand one hundred and eighty-one has the following 2 prime factors:

7
78
Seven in Base 8 Octal
269
4158
Two Hundred and Sixty-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

782 · 41581 = 315758

Base Conversions

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