The Number

12666

Twelve Thousand Six Hundred and Sixty-Six

In Base 18 Octodecimal Is

231c18

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

For more familiar numbers: See Twelve Thousand Six Hundred and Sixty-Six in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12663
231918
Twelve Thousand Six Hundred and Sixty-Three in Base 18 Octodecimal
12664
231a18
Twelve Thousand Six Hundred and Sixty-Four in Base 18 Octodecimal
12665
231b18
Twelve Thousand Six Hundred and Sixty-Five in Base 18 Octodecimal
12667
231d18
Twelve Thousand Six Hundred and Sixty-Seven in Base 18 Octodecimal
12668
231e18
Twelve Thousand Six Hundred and Sixty-Eight in Base 18 Octodecimal
12669
231f18
Twelve Thousand Six Hundred and Sixty-Nine in Base 18 Octodecimal

Scientific Notation

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

1.2666e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008535cc41c18cd18

The reciprocal of 12666 in Base 18 Octodecimal.

Palindrome?

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

The number 231c18 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 six hundred and sixty-six 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 six hundred and sixty-six 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 six hundred and sixty-six has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
2111
69518
Two Thousand One Hundred and Eleven in Base 18 Octodecimal

Prime Factorization

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

2181 · 3181 · 695181 = 231c18

Base Conversions

The number twelve thousand six hundred and sixty-six in 35 different bases