The Number

21308

Twenty-One Thousand Three Hundred and Eight

In Base 15 Quindecimal Is

64a815

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21305
64a515
Twenty-One Thousand Three Hundred and Five in Base 15 Quindecimal
21306
64a615
Twenty-One Thousand Three Hundred and Six in Base 15 Quindecimal
21307
64a715
Twenty-One Thousand Three Hundred and Seven in Base 15 Quindecimal
21309
64a915
Twenty-One Thousand Three Hundred and Nine in Base 15 Quindecimal
21310
64aa15
Twenty-One Thousand Three Hundred and Ten in Base 15 Quindecimal
21311
64ab15
Twenty-One Thousand Three Hundred and Eleven in Base 15 Quindecimal

Scientific Notation

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

2.1308e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000259884ddd6c03415

The reciprocal of 21308 in Base 15 Quindecimal.

Palindrome?

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

The number 64a815 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 eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand three hundred and eight is a composite number with 12 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 eight has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
761
35b15
Seven Hundred and Sixty-One in Base 15 Quindecimal

Prime Factorization

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

2152 · 7151 · 35b151 = 64a815

Base Conversions

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