The Number

12215

Twelve Thousand Two Hundred and Fifteen

In Base 18 Octodecimal Is

21cb18

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

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

Nearby Numbers

Positive, nonzero integers within three units

12212
21c818
Twelve Thousand Two Hundred and Twelve in Base 18 Octodecimal
12213
21c918
Twelve Thousand Two Hundred and Thirteen in Base 18 Octodecimal
12214
21ca18
Twelve Thousand Two Hundred and Fourteen in Base 18 Octodecimal
12216
21cc18
Twelve Thousand Two Hundred and Sixteen in Base 18 Octodecimal
12217
21cd18
Twelve Thousand Two Hundred and Seventeen in Base 18 Octodecimal
12218
21ce18
Twelve Thousand Two 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.

1.2215e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008ac86449g66418

The reciprocal of 12215 in Base 18 Octodecimal.

Palindrome?

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

The number 21cb18 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 two hundred and fifteen 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 two hundred and fifteen 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 two hundred and fifteen has the following 3 prime factors:

5
518
Five in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
349
11718
Three 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 · 117181 = 21cb18

Base Conversions

The number twelve thousand two hundred and fifteen in 35 different bases