The Number

21321

Twenty-One Thousand Three Hundred and Twenty-One

In Base 8 Octal Is

515118

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

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

Nearby Numbers

Positive, nonzero integers within three units

21318
515068
Twenty-One Thousand Three Hundred and Eightteen in Base 8 Octal
21319
515078
Twenty-One Thousand Three Hundred and Nineteen in Base 8 Octal
21320
515108
Twenty-One Thousand Three Hundred and Twenty in Base 8 Octal
21322
515128
Twenty-One Thousand Three Hundred and Twenty-Two in Base 8 Octal
21323
515138
Twenty-One Thousand Three Hundred and Twenty-Three in Base 8 Octal
21324
515148
Twenty-One Thousand Three Hundred and Twenty-Four in Base 8 Octal

Scientific Notation

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

2.1321e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00001422706064375066348

The reciprocal of 21321 in Base 8 Octal.

Palindrome?

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

The number 515118 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-one is a composite number with 12 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-one 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 twenty-one has the following 3 prime factors:

3
38
Three in Base 8 Octal
23
278
Twenty-Three in Base 8 Octal
103
1478
One Hundred and 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

382 · 2781 · 14781 = 515118

Base Conversions

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