The Number

6690

Six Thousand Six Hundred and Ninety

In Base 18 Octodecimal Is

12bc18

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

For more familiar numbers: See Six Thousand Six Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

6687
12b918
Six Thousand Six Hundred and Eighty-Seven in Base 18 Octodecimal
6688
12ba18
Six Thousand Six Hundred and Eighty-Eight in Base 18 Octodecimal
6689
12bb18
Six Thousand Six Hundred and Eighty-Nine in Base 18 Octodecimal
6691
12bd18
Six Thousand Six Hundred and Ninety-One in Base 18 Octodecimal
6692
12be18
Six Thousand Six Hundred and Ninety-Two in Base 18 Octodecimal
6693
12bf18
Six Thousand Six Hundred and Ninety-Three in Base 18 Octodecimal

Scientific Notation

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

6.690e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000fc80ce29g797818

The reciprocal of 6690 in Base 18 Octodecimal.

Palindrome?

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

The number 12bc18 is not a palindrome.

Not A Prime Number

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

Six thousand six hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Six thousand six hundred and ninety is a composite number with 16 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 six thousand six hundred and ninety has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
223
c718
Two Hundred and Twenty-Three 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 · 5181 · c7181 = 12bc18

Base Conversions

The number six thousand six hundred and ninety in 35 different bases