The Number

491

Four Hundred and Ninety-One

In Base 11 Undecimal Is

40711

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

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

Nearby Numbers

Positive, nonzero integers within three units

488
40411
Four Hundred and Eighty-Eight in Base 11 Undecimal
489
40511
Four Hundred and Eighty-Nine in Base 11 Undecimal
490
40611
Four Hundred and Ninety in Base 11 Undecimal
492
40811
Four Hundred and Ninety-Two in Base 11 Undecimal
493
40911
Four Hundred and Ninety-Three in Base 11 Undecimal
494
40a11
Four 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.

4.91e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00279008150224406611

The reciprocal of 491 in Base 11 Undecimal.

Palindrome?

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

The number 40711 is not a palindrome.

A Prime Number

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

Four hundred and ninety-one is the 94th prime number.   See primes in Base 11 Undecimal

Not A Composite

Composites have more than just these two factors.

Four Hundred and Ninety-One is not a composite number because it has exactly two factors: One and Four Hundred and Ninety-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number four hundred and ninety-one has the following 1 prime factor:

491
40711
Four Hundred and Ninety-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

407111 = 40711

Base Conversions

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