The Number

21306

Twenty-One Thousand Three Hundred and Six

In Base 13 Tridecimal Is

990c13

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

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

Nearby Numbers

Positive, nonzero integers within three units

21303
990913
Twenty-One Thousand Three Hundred and Three in Base 13 Tridecimal
21304
990a13
Twenty-One Thousand Three Hundred and Four in Base 13 Tridecimal
21305
990b13
Twenty-One Thousand Three Hundred and Five in Base 13 Tridecimal
21307
991013
Twenty-One Thousand Three Hundred and Seven in Base 13 Tridecimal
21308
991113
Twenty-One Thousand Three Hundred and Eight in Base 13 Tridecimal
21309
991213
Twenty-One Thousand Three Hundred and Nine in Base 13 Tridecimal

Scientific Notation

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

2.1306e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000145715802586cba13

The reciprocal of 21306 in Base 13 Tridecimal.

Palindrome?

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

The number 990c13 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand three hundred and six is a composite number with 16 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand three hundred and six is a composite number with 16 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-one thousand three hundred and six has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
3
313
Three in Base 13 Tridecimal
53
4113
Fifty-Three in Base 13 Tridecimal
67
5213
Sixty-Seven in Base 13 Tridecimal

Prime Factorization

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

2131 · 3131 · 41131 · 52131 = 990c13

Base Conversions

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