The Number

215

Two Hundred and Fifteen

In Base 12 Duodecimal Is

15b12

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

212
15812
Two Hundred and Twelve in Base 12 Duodecimal
213
15912
Two Hundred and Thirteen in Base 12 Duodecimal
214
15a12
Two Hundred and Fourteen in Base 12 Duodecimal
216
16012
Two Hundred and Sixteen in Base 12 Duodecimal
217
16112
Two Hundred and Seventeen in Base 12 Duodecimal
218
16212
Two Hundred and Eightteen in Base 12 Duodecimal

Scientific Notation

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

2.15e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00805436a46b074512

The reciprocal of 215 in Base 12 Duodecimal.

Palindrome?

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

The number 15b12 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 fifteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Two hundred and fifteen is a composite number with 4 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 fifteen has the following 2 prime factors:

5
512
Five in Base 12 Duodecimal
43
3712
Forty-Three in Base 12 Duodecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

5121 · 37121 = 15b12

Base Conversions

The number two hundred and fifteen in 35 different bases