The Number

221440

Two Hundred and Twenty-One Thousand Four Hundred and Forty

Nearby Numbers

Positive, nonzero integers within three units

221437
Two Hundred and Twenty-One Thousand Four Hundred and Thirty-Seven
221438
Two Hundred and Twenty-One Thousand Four Hundred and Thirty-Eight
221439
Two Hundred and Twenty-One Thousand Four Hundred and Thirty-Nine
221441
Two Hundred and Twenty-One Thousand Four Hundred and Forty-One
221442
Two Hundred and Twenty-One Thousand Four Hundred and Forty-Two
221443
Two Hundred and Twenty-One Thousand Four Hundred and Forty-Three

Scientific Notation

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

2.21440e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000004515895953757226

The reciprocal of 221440.

Palindrome?

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

The number 221440 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 four hundred and forty 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.

Two hundred and twenty-one thousand four hundred and forty 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 two hundred and twenty-one thousand four hundred and forty has the following 3 prime factors:

2
Two
5
Five
173
One Hundred and Seventy-Three

Prime Factorization

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

28 · 51 · 1731 = 221440

Base Conversions

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