Nearby Numbers

Positive, nonzero integers within three units

28078

ca1b13

Twenty-Eight Thousand and Seventy-Eight in Base 13 Tridecimal

28079

ca1c13

Twenty-Eight Thousand and Seventy-Nine in Base 13 Tridecimal

28080

ca2013

Twenty-Eight Thousand and Eighty in Base 13 Tridecimal

28082

ca2213

Twenty-Eight Thousand and Eighty-Two in Base 13 Tridecimal

28083

ca2313

Twenty-Eight Thousand and Eighty-Three in Base 13 Tridecimal

28084

ca2413

Twenty-Eight Thousand and Eighty-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.

2.8081e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000102b72880423b2a13

The reciprocal of 28081 in Base 13 Tridecimal.

Palindrome?

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

The number ca2113 is not a palindrome.

A Prime Number

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

Twenty-eight thousand and eighty-one is the 3063rd prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

28081

ca2113

Twenty-Eight Thousand and Eighty-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

ca21131 = ca2113

Base Conversions

The number twenty-eight thousand and eighty-one in 35 different bases