The Number

12991

Twelve Thousand Nine Hundred and Ninety-One

In Base 13 Tridecimal Is

5bb413

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

12988
5bb113
Twelve Thousand Nine Hundred and Eighty-Eight in Base 13 Tridecimal
12989
5bb213
Twelve Thousand Nine Hundred and Eighty-Nine in Base 13 Tridecimal
12990
5bb313
Twelve Thousand Nine Hundred and Ninety in Base 13 Tridecimal
12992
5bb513
Twelve Thousand Nine Hundred and Ninety-Two in Base 13 Tridecimal
12993
5bb613
Twelve Thousand Nine Hundred and Ninety-Three in Base 13 Tridecimal
12994
5bb713
Twelve Thousand Nine Hundred and Ninety-Four in Base 13 Tridecimal

Scientific Notation

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

1.2991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00022771cb0603bb9a13

The reciprocal of 12991 in Base 13 Tridecimal.

Palindrome?

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

The number 5bb413 is not a palindrome.

Not A Prime Number

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

Twelve thousand nine hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Twelve thousand nine hundred and ninety-one is a composite number with 4 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 twelve thousand nine hundred and ninety-one has the following 2 prime factors:

11
b13
Eleven in Base 13 Tridecimal
1181
6cb13
One Thousand One Hundred and Eighty-One in Base 13 Tridecimal

Prime Factorization

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

b131 · 6cb131 = 5bb413

Base Conversions

The number twelve thousand nine hundred and ninety-one in 35 different bases