The Number

42645

Forty-Two Thousand Six Hundred and Forty-Five

Nearby Numbers

Positive, nonzero integers within three units

42642
Forty-Two Thousand Six Hundred and Forty-Two
42643
Forty-Two Thousand Six Hundred and Forty-Three
42644
Forty-Two Thousand Six Hundred and Forty-Four
42646
Forty-Two Thousand Six Hundred and Forty-Six
42647
Forty-Two Thousand Six Hundred and Forty-Seven
42648
Forty-Two Thousand Six Hundred and Forty-Eight

Scientific Notation

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

4.2645e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000023449407902450463

The reciprocal of 42645.

Palindrome?

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

The number 42645 is not a palindrome.

Not 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-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Forty-two thousand six hundred and forty-five is a composite number with 8 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 forty-two thousand six hundred and forty-five has the following 3 prime factors:

3
Three
5
Five
2843
Two Thousand Eight Hundred and Forty-Three

Prime Factorization

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

31 · 51 · 28431 = 42645

Base Conversions

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