The Number

221001

Two Hundred and Twenty-One Thousand and One

Nearby Numbers

Positive, nonzero integers within three units

220998
Two Hundred and Twenty Thousand Nine Hundred and Ninety-Eight
220999
Two Hundred and Twenty Thousand Nine Hundred and Ninety-Nine
221000
Two Hundred and Twenty-One Thousand
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

Scientific Notation

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

2.21001e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000004524866403319442

The reciprocal of 221001.

Palindrome?

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

The number 221001 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 one is a composite number with 16 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 one is a composite number with 16 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 one has the following 4 prime factors:

3
Three
11
Eleven
37
Thirty-Seven
181
One Hundred and Eighty-One

Prime Factorization

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

31 · 111 · 371 · 1811 = 221001

Base Conversions

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