The Number

42643

Forty-Two Thousand Six Hundred and Forty-Three

Nearby Numbers

Positive, nonzero integers within three units

42640
Forty-Two Thousand Six Hundred and Forty
42641
Forty-Two Thousand Six Hundred and Forty-One
42642
Forty-Two Thousand Six Hundred and Forty-Two
42644
Forty-Two Thousand Six Hundred and Forty-Four
42645
Forty-Two Thousand Six Hundred and Forty-Five
42646
Forty-Two Thousand Six Hundred and Forty-Six

Scientific Notation

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

4.2643e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002345050770349178

The reciprocal of 42643.

Palindrome?

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

The number 42643 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 six hundred and forty-three is the 4457th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

Forty-Two Thousand Six Hundred and Forty-Three is not a composite number because it has exactly two factors: One and Forty-Two Thousand Six Hundred and Forty-Three

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 six hundred and forty-three has the following 1 prime factor:

42643
Forty-Two Thousand Six Hundred and Forty-Three

Prime Factorization

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

426431 = 42643

Base Conversions

The number forty-two thousand six hundred and forty-three in 35 different bases