The Number

12021

Twelve Thousand and Twenty-One

In Base 18 Octodecimal Is

211f18

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

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

Nearby Numbers

Positive, nonzero integers within three units

12018
211c18
Twelve Thousand and Eightteen in Base 18 Octodecimal
12019
211d18
Twelve Thousand and Nineteen in Base 18 Octodecimal
12020
211e18
Twelve Thousand and Twenty in Base 18 Octodecimal
12022
211g18
Twelve Thousand and Twenty-Two in Base 18 Octodecimal
12023
211h18
Twelve Thousand and Twenty-Three in Base 18 Octodecimal
12024
212018
Twelve Thousand 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.

1.2021e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008d373e00bba9c18

The reciprocal of 12021 in Base 18 Octodecimal.

Palindrome?

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

The number 211f18 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 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.

Twelve thousand 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 twelve thousand and twenty-one has the following 2 prime factors:

3
318
Three in Base 18 Octodecimal
4007
c6b18
Four Thousand and 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

3181 · c6b181 = 211f18

Base Conversions

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