The Number

205

Two Hundred and Five

In Base 21 Unovigesimal Is

9g21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

202
9d21
Two Hundred and Two in Base 21 Unovigesimal
203
9e21
Two Hundred and Three in Base 21 Unovigesimal
204
9f21
Two Hundred and Four in Base 21 Unovigesimal
206
9h21
Two Hundred and Six in Base 21 Unovigesimal
207
9i21
Two Hundred and Seven in Base 21 Unovigesimal
208
9j21
Two Hundred and Eight in Base 21 Unovigesimal

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.

0.0233e96fkc865221

The reciprocal of 205 in Base 21 Unovigesimal.

Palindrome?

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

The number 9g21 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 21 Unovigesimal

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
521
Five in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal

Prime Factorization

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

5211 · 1k211 = 9g21

Base Conversions

The number two hundred and five in 35 different bases