The Number

213668

Two Hundred and Thirteen Thousand Six Hundred and Sixty-Eight

In Base 18 Octodecimal Is

20b8818

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

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

Nearby Numbers

Positive, nonzero integers within three units

213665
20b8518
Two Hundred and Thirteen Thousand Six Hundred and Sixty-Five in Base 18 Octodecimal
213666
20b8618
Two Hundred and Thirteen Thousand Six Hundred and Sixty-Six in Base 18 Octodecimal
213667
20b8718
Two Hundred and Thirteen Thousand Six Hundred and Sixty-Seven in Base 18 Octodecimal
213669
20b8918
Two Hundred and Thirteen Thousand Six Hundred and Sixty-Nine in Base 18 Octodecimal
213670
20b8a18
Two Hundred and Thirteen Thousand Six Hundred and Seventy in Base 18 Octodecimal
213671
20b8b18
Two Hundred and Thirteen Thousand Six Hundred and Seventy-One in Base 18 Octodecimal

Scientific Notation

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

2.13668e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00008f352edcg424f18

The reciprocal of 213668 in Base 18 Octodecimal.

Palindrome?

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

The number 20b8818 is not a palindrome.

Not A Prime Number

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

Two hundred and thirteen thousand six hundred and sixty-eight is a composite number with 24 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Two hundred and thirteen thousand six hundred and sixty-eight is a composite number with 24 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 two hundred and thirteen thousand six hundred and sixty-eight has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
587
1eb18
Five Hundred and Eighty-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

2182 · 7181 · d181 · 1eb181 = 20b8818

Base Conversions

The number two hundred and thirteen thousand six hundred and sixty-eight in 35 different bases