The Number

20491

Twenty Thousand Four Hundred and Ninety-One

Nearby Numbers

Positive, nonzero integers within three units

20488
Twenty Thousand Four Hundred and Eighty-Eight
20489
Twenty Thousand Four Hundred and Eighty-Nine
20490
Twenty Thousand Four Hundred and Ninety
20492
Twenty Thousand Four Hundred and Ninety-Two
20493
Twenty Thousand Four Hundred and Ninety-Three
20494
Twenty Thousand Four Hundred and Ninety-Four

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.0491e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004880191303499097

The reciprocal of 20491.

Palindrome?

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

The number 20491 is not a palindrome.

Not A Prime Number

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

Twenty thousand four hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Twenty thousand four 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 twenty thousand four hundred and ninety-one has the following 2 prime factors:

31
Thirty-One
661
Six Hundred and Sixty-One

Prime Factorization

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

311 · 6611 = 20491

Base Conversions

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