The Number

21312

Twenty-One Thousand Three Hundred and Twelve

In Base 18 Octodecimal Is

3be018

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

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

Nearby Numbers

Positive, nonzero integers within three units

21309
3bdf18
Twenty-One Thousand Three Hundred and Nine in Base 18 Octodecimal
21310
3bdg18
Twenty-One Thousand Three Hundred and Ten in Base 18 Octodecimal
21311
3bdh18
Twenty-One Thousand Three Hundred and Eleven in Base 18 Octodecimal
21313
3be118
Twenty-One Thousand Three Hundred and Thirteen in Base 18 Octodecimal
21314
3be218
Twenty-One Thousand Three Hundred and Fourteen in Base 18 Octodecimal
21315
3be318
Twenty-One Thousand Three Hundred and Fifteen in Base 18 Octodecimal

Scientific Notation

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

2.1312e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004gbg9d27e1h0a18

The reciprocal of 21312 in Base 18 Octodecimal.

Palindrome?

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

The number 3be018 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 twelve is a composite number with 42 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 twelve is a composite number with 42 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 twelve has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
37
2118
Thirty-Seven in Base 18 Octodecimal

Prime Factorization

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

2186 · 3182 · 21181 = 3be018

Base Conversions

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