The Number

42557

Forty-Two Thousand Five Hundred and Fifty-Seven

Nearby Numbers

Positive, nonzero integers within three units

42554
Forty-Two Thousand Five Hundred and Fifty-Four
42555
Forty-Two Thousand Five Hundred and Fifty-Five
42556
Forty-Two Thousand Five Hundred and Fifty-Six
42558
Forty-Two Thousand Five Hundred and Fifty-Eight
42559
Forty-Two Thousand Five Hundred and Fifty-Nine
42560
Forty-Two Thousand Five Hundred and Sixty

Scientific Notation

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

4.2557e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002349789693822403

The reciprocal of 42557.

Palindrome?

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

The number 42557 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 five hundred and fifty-seven is the 4450th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

Forty-Two Thousand Five Hundred and Fifty-Seven is not a composite number because it has exactly two factors: One and Forty-Two Thousand Five Hundred and Fifty-Seven

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 five hundred and fifty-seven has the following 1 prime factor:

42557
Forty-Two Thousand Five Hundred and Fifty-Seven

Prime Factorization

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

425571 = 42557

Base Conversions

The number forty-two thousand five hundred and fifty-seven in 35 different bases