The Number

21312

Twenty-One Thousand Three Hundred and Twelve

In Base 12 Duodecimal Is

1040012

The numbers with a 12 subscript use Base 12 Duodecimal 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
103b912
Twenty-One Thousand Three Hundred and Nine in Base 12 Duodecimal
21310
103ba12
Twenty-One Thousand Three Hundred and Ten in Base 12 Duodecimal
21311
103bb12
Twenty-One Thousand Three Hundred and Eleven in Base 12 Duodecimal
21313
1040112
Twenty-One Thousand Three Hundred and Thirteen in Base 12 Duodecimal
21314
1040212
Twenty-One Thousand Three Hundred and Fourteen in Base 12 Duodecimal
21315
1040312
Twenty-One Thousand Three Hundred and Fifteen in Base 12 Duodecimal

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.

0.0000b81369890b813712

The reciprocal of 21312 in Base 12 Duodecimal.

Palindrome?

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

The number 1040012 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 12 Duodecimal

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
212
Two in Base 12 Duodecimal
3
312
Three in Base 12 Duodecimal
37
3112
Thirty-Seven in Base 12 Duodecimal

Prime Factorization

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

2126 · 3122 · 31121 = 1040012

Base Conversions

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