The Number

21330

Twenty-One Thousand Three Hundred and Thirty

In Base 18 Octodecimal Is

3bf018

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21327
3bef18
Twenty-One Thousand Three Hundred and Twenty-Seven in Base 18 Octodecimal
21328
3beg18
Twenty-One Thousand Three Hundred and Twenty-Eight in Base 18 Octodecimal
21329
3beh18
Twenty-One Thousand Three Hundred and Twenty-Nine in Base 18 Octodecimal
21331
3bf118
Twenty-One Thousand Three Hundred and Thirty-One in Base 18 Octodecimal
21332
3bf218
Twenty-One Thousand Three Hundred and Thirty-Two in Base 18 Octodecimal
21333
3bf318
Twenty-One Thousand Three Hundred and Thirty-Three in Base 18 Octodecimal

Scientific Notation

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

2.1330e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004gaa56e3g9d9c18

The reciprocal of 21330 in Base 18 Octodecimal.

Palindrome?

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

The number 3bf018 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 is a composite number with 32 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand three hundred and thirty is a composite number with 32 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 has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
79
4718
Seventy-Nine in Base 18 Octodecimal

Prime Factorization

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

2181 · 3183 · 5181 · 47181 = 3bf018

Base Conversions

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