The Number

28221

Twenty-Eight Thousand Two Hundred and Twenty-One

In Base 18 Octodecimal Is

4f1f18

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

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

Nearby Numbers

Positive, nonzero integers within three units

28218
4f1c18
Twenty-Eight Thousand Two Hundred and Eightteen in Base 18 Octodecimal
28219
4f1d18
Twenty-Eight Thousand Two Hundred and Nineteen in Base 18 Octodecimal
28220
4f1e18
Twenty-Eight Thousand Two Hundred and Twenty in Base 18 Octodecimal
28222
4f1g18
Twenty-Eight Thousand Two Hundred and Twenty-Two in Base 18 Octodecimal
28223
4f1h18
Twenty-Eight Thousand Two Hundred and Twenty-Three in Base 18 Octodecimal
28224
4f2018
Twenty-Eight Thousand Two 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.

2.8221e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0003ch3dh3727f3f18

The reciprocal of 28221 in Base 18 Octodecimal.

Palindrome?

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

The number 4f1f18 is not a palindrome.

Not A Prime Number

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

Twenty-eight thousand two hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty-eight 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 twenty-eight thousand two hundred and twenty-one has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
23
1518
Twenty-Three in Base 18 Octodecimal
409
14d18
Four Hundred and Nine in Base 18 Octodecimal

Prime Factorization

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

3181 · 15181 · 14d181 = 4f1f18

Base Conversions

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