The Number

13981

Thirteen Thousand Nine Hundred and Eighty-One

In Base 11 Undecimal Is

a56011

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

13978
a55811
Thirteen Thousand Nine Hundred and Seventy-Eight in Base 11 Undecimal
13979
a55911
Thirteen Thousand Nine Hundred and Seventy-Nine in Base 11 Undecimal
13980
a55a11
Thirteen Thousand Nine Hundred and Eighty in Base 11 Undecimal
13982
a56111
Thirteen Thousand Nine Hundred and Eighty-Two in Base 11 Undecimal
13983
a56211
Thirteen Thousand Nine Hundred and Eighty-Three in Base 11 Undecimal
13984
a56311
Thirteen Thousand Nine 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.

1.3981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001057917a43771805511

The reciprocal of 13981 in Base 11 Undecimal.

Palindrome?

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

The number a56011 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 nine hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Thirteen 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 thirteen thousand nine hundred and eighty-one has the following 3 prime factors:

11
1011
Eleven in Base 11 Undecimal
31
2911
Thirty-One in Base 11 Undecimal
41
3811
Forty-One in Base 11 Undecimal

Prime Factorization

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

10111 · 29111 · 38111 = a56011

Base Conversions

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