The Number

13181

Thirteen Thousand One Hundred and Eighty-One

In Base 11 Undecimal Is

99a311

The numbers with a 11 subscript use Base 11 Undecimal 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
99a011
Thirteen Thousand One Hundred and Seventy-Eight in Base 11 Undecimal
13179
99a111
Thirteen Thousand One Hundred and Seventy-Nine in Base 11 Undecimal
13180
99a211
Thirteen Thousand One Hundred and Eighty in Base 11 Undecimal
13182
99a411
Thirteen Thousand One Hundred and Eighty-Two in Base 11 Undecimal
13183
99a511
Thirteen Thousand One Hundred and Eighty-Three in Base 11 Undecimal
13184
99a611
Thirteen Thousand One Hundred and Eighty-Four in Base 11 Undecimal

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.

0.000112447991804800611

The reciprocal of 13181 in Base 11 Undecimal.

Palindrome?

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

The number 99a311 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 11 Undecimal

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
711
Seven in Base 11 Undecimal
269
22511
Two Hundred and Sixty-Nine in Base 11 Undecimal

Prime Factorization

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

7112 · 225111 = 99a311

Base Conversions

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