The Number

22721

Twenty-Two Thousand Seven Hundred and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

22718
Twenty-Two Thousand Seven Hundred and Eightteen
22719
Twenty-Two Thousand Seven Hundred and Nineteen
22720
Twenty-Two Thousand Seven Hundred and Twenty
22722
Twenty-Two Thousand Seven Hundred and Twenty-Two
22723
Twenty-Two Thousand Seven Hundred and Twenty-Three
22724
Twenty-Two Thousand Seven Hundred and Twenty-Four

Scientific Notation

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

2.2721e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004401214735266934

The reciprocal of 22721.

Palindrome?

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

The number 22721 is not a palindrome.

A Prime Number

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

Twenty-two thousand seven hundred and twenty-one is the 2539th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

Twenty-Two Thousand Seven Hundred and Twenty-One is not a composite number because it has exactly two factors: One and Twenty-Two Thousand Seven Hundred and Twenty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty-two thousand seven hundred and twenty-one has the following 1 prime factor:

22721
Twenty-Two Thousand Seven Hundred and Twenty-One

Prime Factorization

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

227211 = 22721

Base Conversions

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