The Number

21305

Twenty-One Thousand Three Hundred and Five

In Base 30 Trigesimal Is

nk530

The numbers with a 30 subscript use Base 30 Trigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21302
nk230
Twenty-One Thousand Three Hundred and Two in Base 30 Trigesimal
21303
nk330
Twenty-One Thousand Three Hundred and Three in Base 30 Trigesimal
21304
nk430
Twenty-One Thousand Three Hundred and Four in Base 30 Trigesimal
21306
nk630
Twenty-One Thousand Three Hundred and Six in Base 30 Trigesimal
21307
nk730
Twenty-One Thousand Three Hundred and Seven in Base 30 Trigesimal
21308
nk830
Twenty-One Thousand Three Hundred and Eight in Base 30 Trigesimal

Scientific Notation

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

2.1305e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00180h9hql4et230

The reciprocal of 21305 in Base 30 Trigesimal.

Palindrome?

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

The number nk530 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 five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 30 Trigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand three hundred and five is a composite number with 4 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 five has the following 2 prime factors:

5
530
Five in Base 30 Trigesimal
4261
4m130
Four Thousand Two Hundred and Sixty-One in Base 30 Trigesimal

Prime Factorization

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

5301 · 4m1301 = nk530

Base Conversions

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