The Number

21311

Twenty-One Thousand Three Hundred and Eleven

In Base 21 Unovigesimal Is

266h21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21308
266e21
Twenty-One Thousand Three Hundred and Eight in Base 21 Unovigesimal
21309
266f21
Twenty-One Thousand Three Hundred and Nine in Base 21 Unovigesimal
21310
266g21
Twenty-One Thousand Three Hundred and Ten in Base 21 Unovigesimal
21312
266i21
Twenty-One Thousand Three Hundred and Twelve in Base 21 Unovigesimal
21313
266j21
Twenty-One Thousand Three Hundred and Thirteen in Base 21 Unovigesimal
21314
266k21
Twenty-One Thousand Three Hundred and Fourteen in Base 21 Unovigesimal

Scientific Notation

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

2.1311e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00092daab33k55621

The reciprocal of 21311 in Base 21 Unovigesimal.

Palindrome?

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

The number 266h21 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 eleven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand three hundred and eleven 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 eleven has the following 2 prime factors:

101
4h21
One Hundred and One in Base 21 Unovigesimal
211
a121
Two Hundred and Eleven in Base 21 Unovigesimal

Prime Factorization

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

4h211 · a1211 = 266h21

Base Conversions

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