The Number

4991

Four Thousand Nine Hundred and Ninety-One

In Base 11 Undecimal Is

382811

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

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

Nearby Numbers

Positive, nonzero integers within three units

4988
382511
Four Thousand Nine Hundred and Eighty-Eight in Base 11 Undecimal
4989
382611
Four Thousand Nine Hundred and Eighty-Nine in Base 11 Undecimal
4990
382711
Four Thousand Nine Hundred and Ninety in Base 11 Undecimal
4992
382911
Four Thousand Nine Hundred and Ninety-Two in Base 11 Undecimal
4993
382a11
Four Thousand Nine Hundred and Ninety-Three in Base 11 Undecimal
4994
383011
Four 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.

4.991e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0002a2a50a25a24075511

The reciprocal of 4991 in Base 11 Undecimal.

Palindrome?

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

The number 382811 is not a palindrome.

Not A Prime Number

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

Four thousand nine hundred and ninety-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.

Four thousand nine hundred and ninety-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 four thousand nine hundred and ninety-one has the following 3 prime factors:

7
711
Seven in Base 11 Undecimal
23
2111
Twenty-Three in Base 11 Undecimal
31
2911
Thirty-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

7111 · 21111 · 29111 = 382811

Base Conversions

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