The Number

12189

Twelve Thousand One Hundred and Eighty-Nine

In Base 18 Octodecimal Is

21b318

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

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

Nearby Numbers

Positive, nonzero integers within three units

12186
21b018
Twelve Thousand One Hundred and Eighty-Six in Base 18 Octodecimal
12187
21b118
Twelve Thousand One Hundred and Eighty-Seven in Base 18 Octodecimal
12188
21b218
Twelve Thousand One Hundred and Eighty-Eight in Base 18 Octodecimal
12190
21b418
Twelve Thousand One Hundred and Ninety in Base 18 Octodecimal
12191
21b518
Twelve Thousand One Hundred and Ninety-One in Base 18 Octodecimal
12192
21b618
Twelve Thousand One Hundred and Ninety-Two in Base 18 Octodecimal

Scientific Notation

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

1.2189e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008b074b321184418

The reciprocal of 12189 in Base 18 Octodecimal.

Palindrome?

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

The number 21b318 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 one hundred and eighty-nine 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.

Twelve thousand one hundred and eighty-nine 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 twelve thousand one hundred and eighty-nine has the following 3 prime factors:

3
318
Three in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal
239
d518
Two Hundred and Thirty-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 · h181 · d5181 = 21b318

Base Conversions

The number twelve thousand one hundred and eighty-nine in 35 different bases