The Number

21355

Twenty-One Thousand Three Hundred and Fifty-Five

In Base 18 Octodecimal Is

3bg718

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

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

Nearby Numbers

Positive, nonzero integers within three units

21352
3bg418
Twenty-One Thousand Three Hundred and Fifty-Two in Base 18 Octodecimal
21353
3bg518
Twenty-One Thousand Three Hundred and Fifty-Three in Base 18 Octodecimal
21354
3bg618
Twenty-One Thousand Three Hundred and Fifty-Four in Base 18 Octodecimal
21356
3bg818
Twenty-One Thousand Three Hundred and Fifty-Six in Base 18 Octodecimal
21357
3bg918
Twenty-One Thousand Three Hundred and Fifty-Seven in Base 18 Octodecimal
21358
3bga18
Twenty-One Thousand Three Hundred and Fifty-Eight in Base 18 Octodecimal

Scientific Notation

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

2.1355e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004g8cc9gh84ghh18

The reciprocal of 21355 in Base 18 Octodecimal.

Palindrome?

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

The number 3bg718 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 fifty-five is a composite number with 4 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 fifty-five 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 fifty-five has the following 2 prime factors:

5
518
Five in Base 18 Octodecimal
4271
d3518
Four Thousand Two Hundred and Seventy-One in Base 18 Octodecimal

Prime Factorization

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

5181 · d35181 = 3bg718

Base Conversions

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