The Number

491

Four Hundred and Ninety-One

In Base 20 Vigesimal Is

14b20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

488
14820
Four Hundred and Eighty-Eight in Base 20 Vigesimal
489
14920
Four Hundred and Eighty-Nine in Base 20 Vigesimal
490
14a20
Four Hundred and Ninety in Base 20 Vigesimal
492
14c20
Four Hundred and Ninety-Two in Base 20 Vigesimal
493
14d20
Four Hundred and Ninety-Three in Base 20 Vigesimal
494
14e20
Four Hundred and Ninety-Four in Base 20 Vigesimal

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.

0.00g5h64ch8da96a20

The reciprocal of 491 in Base 20 Vigesimal.

Palindrome?

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

The number 14b20 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 20 Vigesimal

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
14b20
Four Hundred and Ninety-One in Base 20 Vigesimal

Prime Factorization

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

14b201 = 14b20

Base Conversions

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