The Number

18221

Eightteen Thousand Two Hundred and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

18218
Eightteen Thousand Two Hundred and Eightteen
18219
Eightteen Thousand Two Hundred and Nineteen
18220
Eightteen Thousand Two Hundred and Twenty
18222
Eightteen Thousand Two Hundred and Twenty-Two
18223
Eightteen Thousand Two Hundred and Twenty-Three
18224
Eightteen Thousand Two Hundred and Twenty-Four

Scientific Notation

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

1.8221e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00005488172987212557

The reciprocal of 18221.

Palindrome?

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

The number 18221 is not a palindrome.

Not A Prime Number

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

Eightteen thousand two hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Eightteen thousand two hundred and twenty-one is a composite number with 8 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 eightteen thousand two hundred and twenty-one has the following 3 prime factors:

7
Seven
19
Nineteen
137
One Hundred and Thirty-Seven

Prime Factorization

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

71 · 191 · 1371 = 18221

Base Conversions

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