The Number

643138

Six Hundred and Forty-Three Thousand One Hundred and Thirty-Eight

Nearby Numbers

Positive, nonzero integers within three units

643135
Six Hundred and Forty-Three Thousand One Hundred and Thirty-Five
643136
Six Hundred and Forty-Three Thousand One Hundred and Thirty-Six
643137
Six Hundred and Forty-Three Thousand One Hundred and Thirty-Seven
643139
Six Hundred and Forty-Three Thousand One Hundred and Thirty-Nine
643140
Six Hundred and Forty-Three Thousand One Hundred and Forty
643141
Six Hundred and Forty-Three Thousand One Hundred and Forty-One

Scientific Notation

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

6.43138e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000015548762473994695

The reciprocal of 643138.

Palindrome?

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

The number 643138 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 one hundred and thirty-eight is a composite number with 4 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 one hundred and thirty-eight is a composite number with 4 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 one hundred and thirty-eight has the following 2 prime factors:

2
Two
321569
Three Hundred and Twenty-One Thousand Five Hundred and Sixty-Nine

Prime Factorization

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

21 · 3215691 = 643138

Base Conversions

The number six hundred and forty-three thousand one hundred and thirty-eight in 35 different bases