The Number

8161

Eight Thousand One Hundred and Sixty-One

In Base 13 Tridecimal Is

393a13

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

For more familiar numbers: See Eight Thousand One Hundred and Sixty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

8158
393713
Eight Thousand One Hundred and Fifty-Eight in Base 13 Tridecimal
8159
393813
Eight Thousand One Hundred and Fifty-Nine in Base 13 Tridecimal
8160
393913
Eight Thousand One Hundred and Sixty in Base 13 Tridecimal
8162
393b13
Eight Thousand One Hundred and Sixty-Two in Base 13 Tridecimal
8163
393c13
Eight Thousand One Hundred and Sixty-Three in Base 13 Tridecimal
8164
394013
Eight Thousand One Hundred and Sixty-Four in Base 13 Tridecimal

Scientific Notation

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

8.161e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0003665a99b5813bc413

The reciprocal of 8161 in Base 13 Tridecimal.

Palindrome?

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

The number 393a13 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eight thousand one hundred and sixty-one is the 1024th prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

Eight Thousand One Hundred and Sixty-One is not a composite number because it has exactly two factors: One and Eight Thousand One Hundred and Sixty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eight thousand one hundred and sixty-one has the following 1 prime factor:

8161
393a13
Eight Thousand One Hundred and Sixty-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

393a131 = 393a13

Base Conversions

The number eight thousand one hundred and sixty-one in 35 different bases