The Number

221321

Two Hundred and Twenty-One Thousand Three Hundred and Twenty-One

In Base 18 Octodecimal Is

21h1b18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Two Hundred and Twenty-One Thousand Three Hundred and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221318
21h1818
Two Hundred and Twenty-One Thousand Three Hundred and Eightteen in Base 18 Octodecimal
221319
21h1918
Two Hundred and Twenty-One Thousand Three Hundred and Nineteen in Base 18 Octodecimal
221320
21h1a18
Two Hundred and Twenty-One Thousand Three Hundred and Twenty in Base 18 Octodecimal
221322
21h1c18
Two Hundred and Twenty-One Thousand Three Hundred and Twenty-Two in Base 18 Octodecimal
221323
21h1d18
Two Hundred and Twenty-One Thousand Three Hundred and Twenty-Three in Base 18 Octodecimal
221324
21h1e18
Two Hundred and Twenty-One Thousand Three Hundred and Twenty-Four in Base 18 Octodecimal

Scientific Notation

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

2.21321e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000089c3d9hde9a1718

The reciprocal of 221321 in Base 18 Octodecimal.

Palindrome?

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

The number 21h1b18 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 three hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

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

43
2718
Forty-Three in Base 18 Octodecimal
5147
ffh18
Five Thousand One Hundred and Forty-Seven in Base 18 Octodecimal

Prime Factorization

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

27181 · ffh181 = 21h1b18

Base Conversions

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