The Number

42491

Forty-Two Thousand Four Hundred and Ninety-One

Nearby Numbers

Positive, nonzero integers within three units

42488
Forty-Two Thousand Four Hundred and Eighty-Eight
42489
Forty-Two Thousand Four Hundred and Eighty-Nine
42490
Forty-Two Thousand Four Hundred and Ninety
42492
Forty-Two Thousand Four Hundred and Ninety-Two
42493
Forty-Two Thousand Four Hundred and Ninety-Three
42494
Forty-Two 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.

4.2491e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000023534395519051093

The reciprocal of 42491.

Palindrome?

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

The number 42491 is not a palindrome.

A Prime Number

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

Forty-two thousand four hundred and ninety-one is the 4446th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

Forty-Two Thousand Four Hundred and Ninety-One is not a composite number because it has exactly two factors: One and Forty-Two Thousand 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 forty-two thousand four hundred and ninety-one has the following 1 prime factor:

42491
Forty-Two Thousand Four Hundred and Ninety-One

Prime Factorization

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

424911 = 42491

Base Conversions

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