The Number

2815

Two Thousand Eight Hundred and Fifteen

In Base 13 Tridecimal Is

138713

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

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

Nearby Numbers

Positive, nonzero integers within three units

2812
138413
Two Thousand Eight Hundred and Twelve in Base 13 Tridecimal
2813
138513
Two Thousand Eight Hundred and Thirteen in Base 13 Tridecimal
2814
138613
Two Thousand Eight Hundred and Fourteen in Base 13 Tridecimal
2816
138813
Two Thousand Eight Hundred and Sixteen in Base 13 Tridecimal
2817
138913
Two Thousand Eight Hundred and Seventeen in Base 13 Tridecimal
2818
138a13
Two Thousand Eight Hundred and Eightteen in Base 13 Tridecimal

Scientific Notation

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

2.815e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000a1b8a01350b221513

The reciprocal of 2815 in Base 13 Tridecimal.

Palindrome?

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

The number 138713 is not a palindrome.

Not A Prime Number

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

Two thousand eight hundred and fifteen 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 thousand eight 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 thousand eight hundred and fifteen has the following 2 prime factors:

5
513
Five in Base 13 Tridecimal
563
34413
Five Hundred and Sixty-Three 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 · 344131 = 138713

Base Conversions

The number two thousand eight hundred and fifteen in 35 different bases