The Number

10991

Ten Thousand Nine Hundred and Ninety-One

In Base 11 Undecimal Is

829211

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

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

Nearby Numbers

Positive, nonzero integers within three units

10988
828a11
Ten Thousand Nine Hundred and Eighty-Eight in Base 11 Undecimal
10989
829011
Ten Thousand Nine Hundred and Eighty-Nine in Base 11 Undecimal
10990
829111
Ten Thousand Nine Hundred and Ninety in Base 11 Undecimal
10992
829311
Ten Thousand Nine Hundred and Ninety-Two in Base 11 Undecimal
10993
829411
Ten Thousand Nine Hundred and Ninety-Three in Base 11 Undecimal
10994
829511
Ten Thousand Nine Hundred and Ninety-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.

1.0991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000137201455645440a611

The reciprocal of 10991 in Base 11 Undecimal.

Palindrome?

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

The number 829211 is not a palindrome.

Not A Prime Number

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

Ten thousand nine hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Ten 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 ten thousand nine hundred and ninety-one has the following 2 prime factors:

29
2711
Twenty-Nine in Base 11 Undecimal
379
31511
Three Hundred and Seventy-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

27111 · 315111 = 829211

Base Conversions

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