The Number

23

Twenty-Three

In Base 15 Quindecimal Is

1815

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20
1515
Twenty in Base 15 Quindecimal
21
1615
Twenty-One in Base 15 Quindecimal
22
1715
Twenty-Two in Base 15 Quindecimal
24
1915
Twenty-Four in Base 15 Quindecimal
25
1a15
Twenty-Five in Base 15 Quindecimal
26
1b15
Twenty-Six in Base 15 Quindecimal

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.

0.09bb1487291e53415

The reciprocal of 23 in Base 15 Quindecimal.

Palindrome?

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

The number 1815 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 15 Quindecimal

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
1815
Twenty-Three in Base 15 Quindecimal

Prime Factorization

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

18151 = 1815

Base Conversions

The number twenty-three in 35 different bases