The Number

205

Two Hundred and Five

In Base 13 Tridecimal Is

12a13

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

202
12713
Two Hundred and Two in Base 13 Tridecimal
203
12813
Two Hundred and Three in Base 13 Tridecimal
204
12913
Two Hundred and Four in Base 13 Tridecimal
206
12b13
Two Hundred and Six in Base 13 Tridecimal
207
12c13
Two Hundred and Seven in Base 13 Tridecimal
208
13013
Two Hundred and Eight in Base 13 Tridecimal

Scientific Notation

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

2.05e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00a94254330755b913

The reciprocal of 205 in Base 13 Tridecimal.

Palindrome?

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

The number 12a13 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 five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Two hundred and five 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 five has the following 2 prime factors:

5
513
Five in Base 13 Tridecimal
41
3213
Forty-One in Base 13 Tridecimal

Prime Factorization

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

5131 · 32131 = 12a13

Base Conversions

The number two hundred and five in 35 different bases