The Number

23

Twenty-Three

In Base 21 Unovigesimal Is

1221

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

For more familiar numbers: See Twenty-Three in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20
k21
Twenty in Base 21 Unovigesimal
21
1021
Twenty-One in Base 21 Unovigesimal
22
1121
Twenty-Two in Base 21 Unovigesimal
24
1321
Twenty-Four in Base 21 Unovigesimal
25
1421
Twenty-Five in Base 21 Unovigesimal
26
1521
Twenty-Six in Base 21 Unovigesimal

Scientific Notation

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

2.3e1

Reciprocal

A number multiplied with its reciprocal is one.

0.0j3decg92fak121

The reciprocal of 23 in Base 21 Unovigesimal.

Palindrome?

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

The number 1221 is not a palindrome.

A Prime Number

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

Twenty-three is the 9th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Twenty-Three is not a composite number because it has exactly two factors: One and Twenty-Three

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty-three has the following 1 prime factor:

23
1221
Twenty-Three in Base 21 Unovigesimal

Prime Factorization

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

12211 = 1221

Base Conversions

The number twenty-three in 35 different bases