The Number

643428

Six Hundred and Forty-Three Thousand Four Hundred and Twenty-Eight

Nearby Numbers

Positive, nonzero integers within three units

643425
Six Hundred and Forty-Three Thousand Four Hundred and Twenty-Five
643426
Six Hundred and Forty-Three Thousand Four Hundred and Twenty-Six
643427
Six Hundred and Forty-Three Thousand Four Hundred and Twenty-Seven
643429
Six Hundred and Forty-Three Thousand Four Hundred and Twenty-Nine
643430
Six Hundred and Forty-Three Thousand Four Hundred and Thirty
643431
Six Hundred and Forty-Three Thousand Four Hundred and Thirty-One

Scientific Notation

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

6.43428e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000015541754477579465

The reciprocal of 643428.

Palindrome?

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

The number 643428 is not a palindrome.

Not A Prime Number

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

Six hundred and forty-three thousand four hundred and twenty-eight is a composite number with 36 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Six hundred and forty-three thousand four hundred and twenty-eight is a composite number with 36 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 six hundred and forty-three thousand four hundred and twenty-eight has the following 4 prime factors:

2
Two
3
Three
61
Sixty-One
293
Two Hundred and Ninety-Three

Prime Factorization

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

22 · 32 · 611 · 2931 = 643428

Base Conversions

The number six hundred and forty-three thousand four hundred and twenty-eight in 35 different bases