The Number

10991

Ten Thousand Nine Hundred and Ninety-One

In Base 19 Nonadecimal Is

1b8919

The numbers with a 19 subscript use Base 19 Nonadecimal 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
1b8619
Ten Thousand Nine Hundred and Eighty-Eight in Base 19 Nonadecimal
10989
1b8719
Ten Thousand Nine Hundred and Eighty-Nine in Base 19 Nonadecimal
10990
1b8819
Ten Thousand Nine Hundred and Ninety in Base 19 Nonadecimal
10992
1b8a19
Ten Thousand Nine Hundred and Ninety-Two in Base 19 Nonadecimal
10993
1b8b19
Ten Thousand Nine Hundred and Ninety-Three in Base 19 Nonadecimal
10994
1b8c19
Ten Thousand Nine Hundred and Ninety-Four in Base 19 Nonadecimal

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.

0.000bg57ba8hh4b6719

The reciprocal of 10991 in Base 19 Nonadecimal.

Palindrome?

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

The number 1b8919 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 19 Nonadecimal

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
1a19
Twenty-Nine in Base 19 Nonadecimal
379
10i19
Three Hundred and Seventy-Nine in Base 19 Nonadecimal

Prime Factorization

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

1a191 · 10i191 = 1b8919

Base Conversions

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