The Number

490021

Four Hundred and Ninety Thousand and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

490018
Four Hundred and Ninety Thousand and Eightteen
490019
Four Hundred and Ninety Thousand and Nineteen
490020
Four Hundred and Ninety Thousand and Twenty
490022
Four Hundred and Ninety Thousand and Twenty-Two
490023
Four Hundred and Ninety Thousand and Twenty-Three
490024
Four Hundred and Ninety Thousand and Twenty-Four

Scientific Notation

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

4.90021e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000020407288667220385

The reciprocal of 490021.

Palindrome?

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

The number 490021 is not a palindrome.

Not A Prime Number

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

Four hundred and ninety thousand and twenty-one 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.

Four hundred and ninety thousand and twenty-one 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 four hundred and ninety thousand and twenty-one has the following 2 prime factors:

7
Seven
70003
Seventy Thousand and Three

Prime Factorization

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

71 · 700031 = 490021

Base Conversions

The number four hundred and ninety thousand and twenty-one in 35 different bases