The Number

20815

Twenty Thousand Eight Hundred and Fifteen

In Base 13 Tridecimal Is

962213

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

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

Nearby Numbers

Positive, nonzero integers within three units

20812
961c13
Twenty Thousand Eight Hundred and Twelve in Base 13 Tridecimal
20813
962013
Twenty Thousand Eight Hundred and Thirteen in Base 13 Tridecimal
20814
962113
Twenty Thousand Eight Hundred and Fourteen in Base 13 Tridecimal
20816
962313
Twenty Thousand Eight Hundred and Sixteen in Base 13 Tridecimal
20817
962413
Twenty Thousand Eight Hundred and Seventeen in Base 13 Tridecimal
20818
962513
Twenty 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.

2.0815e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00014ab773b5a101a113

The reciprocal of 20815 in Base 13 Tridecimal.

Palindrome?

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

The number 962213 is not a palindrome.

Not A Prime Number

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

Twenty thousand eight hundred and fifteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Twenty thousand eight hundred and fifteen is a composite number with 8 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 twenty thousand eight hundred and fifteen has the following 3 prime factors:

5
513
Five in Base 13 Tridecimal
23
1a13
Twenty-Three in Base 13 Tridecimal
181
10c13
One Hundred 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

5131 · 1a131 · 10c131 = 962213

Base Conversions

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