The Number

21328

Twenty-One Thousand Three Hundred and Twenty-Eight

In Base 8 Octal Is

515208

The numbers with a 8 subscript use Base 8 Octal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21325
515158
Twenty-One Thousand Three Hundred and Twenty-Five in Base 8 Octal
21326
515168
Twenty-One Thousand Three Hundred and Twenty-Six in Base 8 Octal
21327
515178
Twenty-One Thousand Three Hundred and Twenty-Seven in Base 8 Octal
21329
515218
Twenty-One Thousand Three Hundred and Twenty-Nine in Base 8 Octal
21330
515228
Twenty-One Thousand Three Hundred and Thirty in Base 8 Octal
21331
515238
Twenty-One Thousand Three Hundred and Thirty-One in Base 8 Octal

Scientific Notation

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

2.1328e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00001422501676550220338

The reciprocal of 21328 in Base 8 Octal.

Palindrome?

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

The number 515208 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 twenty-eight is a composite number with 20 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Twenty-one thousand three hundred and twenty-eight is a composite number with 20 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 twenty-eight has the following 3 prime factors:

2
28
Two in Base 8 Octal
31
378
Thirty-One in Base 8 Octal
43
538
Forty-Three in Base 8 Octal

Prime Factorization

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

284 · 3781 · 5381 = 515208

Base Conversions

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