The Number

213868

Two Hundred and Thirteen Thousand Eight Hundred and Sixty-Eight

In Base 18 Octodecimal Is

20c1a18

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

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

Nearby Numbers

Positive, nonzero integers within three units

213865
20c1718
Two Hundred and Thirteen Thousand Eight Hundred and Sixty-Five in Base 18 Octodecimal
213866
20c1818
Two Hundred and Thirteen Thousand Eight Hundred and Sixty-Six in Base 18 Octodecimal
213867
20c1918
Two Hundred and Thirteen Thousand Eight Hundred and Sixty-Seven in Base 18 Octodecimal
213869
20c1b18
Two Hundred and Thirteen Thousand Eight Hundred and Sixty-Nine in Base 18 Octodecimal
213870
20c1c18
Two Hundred and Thirteen Thousand Eight Hundred and Seventy in Base 18 Octodecimal
213871
20c1d18
Two Hundred and Thirteen Thousand Eight 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.

2.13868e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00008f0agbh93b32318

The reciprocal of 213868 in Base 18 Octodecimal.

Palindrome?

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

The number 20c1a18 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 eight hundred and sixty-eight is a composite number with 12 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 eight hundred and sixty-eight is a composite number with 12 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 eight hundred and sixty-eight has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
127
7118
One Hundred and Twenty-Seven in Base 18 Octodecimal
421
15718
Four Hundred and Twenty-One 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 · 71181 · 157181 = 20c1a18

Base Conversions

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