The Number

221005

Two Hundred and Twenty-One Thousand and Five

Nearby Numbers

Positive, nonzero integers within three units

221002
Two Hundred and Twenty-One Thousand and Two
221003
Two Hundred and Twenty-One Thousand and Three
221004
Two Hundred and Twenty-One Thousand and Four
221006
Two Hundred and Twenty-One Thousand and Six
221007
Two Hundred and Twenty-One Thousand and Seven
221008
Two Hundred and Twenty-One Thousand and Eight

Scientific Notation

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

2.21005e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000004524784507137848

The reciprocal of 221005.

Palindrome?

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

The number 221005 is not a palindrome.

Not A Prime Number

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

Two hundred and twenty-one thousand and five 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.

Two hundred and twenty-one thousand and five 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 two hundred and twenty-one thousand and five has the following 2 prime factors:

5
Five
44201
Forty-Four Thousand Two Hundred and One

Prime Factorization

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

51 · 442011 = 221005

Base Conversions

The number two hundred and twenty-one thousand and five in 35 different bases