The Number

21313

Twenty-One Thousand Three Hundred and Thirteen

In Base 13 Tridecimal Is

991613

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

For more familiar numbers: See Twenty-One Thousand Three Hundred and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21310
991313
Twenty-One Thousand Three Hundred and Ten in Base 13 Tridecimal
21311
991413
Twenty-One Thousand Three Hundred and Eleven in Base 13 Tridecimal
21312
991513
Twenty-One Thousand Three Hundred and Twelve in Base 13 Tridecimal
21314
991713
Twenty-One Thousand Three Hundred and Fourteen in Base 13 Tridecimal
21315
991813
Twenty-One Thousand Three Hundred and Fifteen in Base 13 Tridecimal
21316
991913
Twenty-One Thousand Three 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.

2.1313e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00014561b1b6ab06b8713

The reciprocal of 21313 in Base 13 Tridecimal.

Palindrome?

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

The number 991613 is not a palindrome.

A Prime Number

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

Twenty-one thousand three hundred and thirteen is the 2392nd prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand Three Hundred and Thirteen is not a composite number because it has exactly two factors: One and Twenty-One Thousand Three 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 twenty-one thousand three hundred and thirteen has the following 1 prime factor:

21313
991613
Twenty-One Thousand Three 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

9916131 = 991613

Base Conversions

The number twenty-one thousand three hundred and thirteen in 35 different bases