The Number

21345

Twenty-One Thousand Three Hundred and Forty-Five

In Base 28 Octovigesimal Is

r6928

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21342
r6628
Twenty-One Thousand Three Hundred and Forty-Two in Base 28 Octovigesimal
21343
r6728
Twenty-One Thousand Three Hundred and Forty-Three in Base 28 Octovigesimal
21344
r6828
Twenty-One Thousand Three Hundred and Forty-Four in Base 28 Octovigesimal
21346
r6a28
Twenty-One Thousand Three Hundred and Forty-Six in Base 28 Octovigesimal
21347
r6b28
Twenty-One Thousand Three Hundred and Forty-Seven in Base 28 Octovigesimal
21348
r6c28
Twenty-One Thousand Three Hundred and Forty-Eight in Base 28 Octovigesimal

Scientific Notation

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

2.1345e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0010m8792m7gmk28

The reciprocal of 21345 in Base 28 Octovigesimal.

Palindrome?

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

The number r6928 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 forty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand three hundred and forty-five is a composite number with 8 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 forty-five has the following 3 prime factors:

3
328
Three in Base 28 Octovigesimal
5
528
Five in Base 28 Octovigesimal
1423
1mn28
One Thousand Four Hundred and Twenty-Three in Base 28 Octovigesimal

Prime Factorization

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

3281 · 5281 · 1mn281 = r6928

Base Conversions

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