The Number

12221

Twelve Thousand Two Hundred and Twenty-One

In Base 18 Octodecimal Is

21ch18

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

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

Nearby Numbers

Positive, nonzero integers within three units

12218
21ce18
Twelve Thousand Two Hundred and Eightteen in Base 18 Octodecimal
12219
21cf18
Twelve Thousand Two Hundred and Nineteen in Base 18 Octodecimal
12220
21cg18
Twelve Thousand Two Hundred and Twenty in Base 18 Octodecimal
12222
21d018
Twelve Thousand Two Hundred and Twenty-Two in Base 18 Octodecimal
12223
21d118
Twelve Thousand Two Hundred and Twenty-Three in Base 18 Octodecimal
12224
21d218
Twelve 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.

1.2221e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008ab1d5aa1259f18

The reciprocal of 12221 in Base 18 Octodecimal.

Palindrome?

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

The number 21ch18 is not a palindrome.

Not A Prime Number

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

Twelve thousand two hundred and twenty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twelve thousand two hundred and twenty-one is a composite number with 6 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 twelve thousand two hundred and twenty-one has the following 2 prime factors:

11
b18
Eleven in Base 18 Octodecimal
101
5b18
One Hundred and One in Base 18 Octodecimal

Prime Factorization

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

b182 · 5b181 = 21ch18

Base Conversions

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