The Number

21312

Twenty-One Thousand Three Hundred and Twelve

In Base 20 Vigesimal Is

2d5c20

The numbers with a 20 subscript use Base 20 Vigesimal 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
2d5920
Twenty-One Thousand Three Hundred and Nine in Base 20 Vigesimal
21310
2d5a20
Twenty-One Thousand Three Hundred and Ten in Base 20 Vigesimal
21311
2d5b20
Twenty-One Thousand Three Hundred and Eleven in Base 20 Vigesimal
21313
2d5d20
Twenty-One Thousand Three Hundred and Thirteen in Base 20 Vigesimal
21314
2d5e20
Twenty-One Thousand Three Hundred and Fourteen in Base 20 Vigesimal
21315
2d5f20
Twenty-One Thousand Three Hundred and Fifteen in Base 20 Vigesimal

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.

0.0007a301409c3gh720

The reciprocal of 21312 in Base 20 Vigesimal.

Palindrome?

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

The number 2d5c20 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 20 Vigesimal

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
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
37
1h20
Thirty-Seven in Base 20 Vigesimal

Prime Factorization

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

2206 · 3202 · 1h201 = 2d5c20

Base Conversions

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