The Number

19913

Nineteen Thousand Nine Hundred and Thirteen

In Base 13 Tridecimal Is

90aa13

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

For more familiar numbers: See Nineteen Thousand Nine Hundred and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

19910
90a713
Nineteen Thousand Nine Hundred and Ten in Base 13 Tridecimal
19911
90a813
Nineteen Thousand Nine Hundred and Eleven in Base 13 Tridecimal
19912
90a913
Nineteen Thousand Nine Hundred and Twelve in Base 13 Tridecimal
19914
90ab13
Nineteen Thousand Nine Hundred and Fourteen in Base 13 Tridecimal
19915
90ac13
Nineteen Thousand Nine Hundred and Fifteen in Base 13 Tridecimal
19916
90b013
Nineteen Thousand Nine Hundred and Sixteen in Base 13 Tridecimal

Scientific Notation

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

1.9913e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001585196a7ac955a13

The reciprocal of 19913 in Base 13 Tridecimal.

Palindrome?

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

The number 90aa13 is not a palindrome.

A Prime Number

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

Nineteen thousand nine hundred and thirteen is the 2251st prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

Nineteen Thousand Nine Hundred and Thirteen is not a composite number because it has exactly two factors: One and Nineteen Thousand Nine Hundred and Thirteen

Prime Factors

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

The number nineteen thousand nine hundred and thirteen has the following 1 prime factor:

19913
90aa13
Nineteen Thousand Nine Hundred and Thirteen in Base 13 Tridecimal

Prime Factorization

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

90aa131 = 90aa13

Base Conversions

The number nineteen thousand nine hundred and thirteen in 35 different bases