The Number

10

Ten

In Base 21 Unovigesimal Is

a21

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

For more familiar numbers: See Ten in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

7
721
Seven in Base 21 Unovigesimal
8
821
Eight in Base 21 Unovigesimal
9
921
Nine in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
12
c21
Twelve in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal

Scientific Notation

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

1e1

Reciprocal

A number multiplied with its reciprocal is one.

0.222222222222321

The reciprocal of 10 in Base 21 Unovigesimal.

Palindrome?

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

The number a21 is a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Ten 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.

Ten 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 ten has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal

Prime Factorization

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

2211 · 5211 = a21

Base Conversions

The number ten in 35 different bases