The Number

213815

Two Hundred and Thirteen Thousand Eight Hundred and Fifteen

In Base 18 Octodecimal Is

20bgb18

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

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

Nearby Numbers

Positive, nonzero integers within three units

213812
20bg818
Two Hundred and Thirteen Thousand Eight Hundred and Twelve in Base 18 Octodecimal
213813
20bg918
Two Hundred and Thirteen Thousand Eight Hundred and Thirteen in Base 18 Octodecimal
213814
20bga18
Two Hundred and Thirteen Thousand Eight Hundred and Fourteen in Base 18 Octodecimal
213816
20bgc18
Two Hundred and Thirteen Thousand Eight Hundred and Sixteen in Base 18 Octodecimal
213817
20bgd18
Two Hundred and Thirteen Thousand Eight Hundred and Seventeen in Base 18 Octodecimal
213818
20bge18
Two Hundred and Thirteen Thousand Eight Hundred and Eightteen in Base 18 Octodecimal

Scientific Notation

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

2.13815e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00008f15ca40fe9dc18

The reciprocal of 213815 in Base 18 Octodecimal.

Palindrome?

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

The number 20bgb18 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 fifteen 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.

Two hundred and thirteen thousand eight hundred and fifteen 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 two hundred and thirteen thousand eight hundred and fifteen has the following 4 prime factors:

5
518
Five in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
41
2518
Forty-One in Base 18 Octodecimal
149
8518
One Hundred and Forty-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

5181 · 7181 · 25181 · 85181 = 20bgb18

Base Conversions

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