The Number

21331

Twenty-One Thousand Three Hundred and Thirty-One

In Base 8 Octal Is

515238

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

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

Nearby Numbers

Positive, nonzero integers within three units

21328
515208
Twenty-One Thousand Three Hundred and Twenty-Eight 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
21332
515248
Twenty-One Thousand Three Hundred and Thirty-Two in Base 8 Octal
21333
515258
Twenty-One Thousand Three Hundred and Thirty-Three in Base 8 Octal
21334
515268
Twenty-One Thousand Three Hundred and Thirty-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.

2.1331e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000014224111652013443348

The reciprocal of 21331 in Base 8 Octal.

Palindrome?

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

The number 515238 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 thirty-one is a composite number with 4 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 thirty-one 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 thirty-one has the following 2 prime factors:

83
1238
Eighty-Three in Base 8 Octal
257
4018
Two Hundred and Fifty-Seven in Base 8 Octal

Prime Factorization

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

12381 · 40181 = 515238

Base Conversions

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