The Number

47

Forty-Seven

In Base 18 Octodecimal Is

2b18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Forty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

44
2818
Forty-Four in Base 18 Octodecimal
45
2918
Forty-Five in Base 18 Octodecimal
46
2a18
Forty-Six in Base 18 Octodecimal
48
2c18
Forty-Eight in Base 18 Octodecimal
49
2d18
Forty-Nine in Base 18 Octodecimal
50
2e18
Fifty in Base 18 Octodecimal

Scientific Notation

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

4.7e1

Reciprocal

A number multiplied with its reciprocal is one.

0.06g19a625693818

The reciprocal of 47 in Base 18 Octodecimal.

Palindrome?

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

The number 2b18 is not a palindrome.

A Prime Number

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

Forty-seven is the 15th prime number.   See primes in Base 18 Octodecimal

Not A Composite

Composites have more than just these two factors.

Forty-Seven is not a composite number because it has exactly two factors: One and Forty-Seven

Prime Factors

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

The number forty-seven has the following 1 prime factor:

47
2b18
Forty-Seven in Base 18 Octodecimal

Prime Factorization

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

2b181 = 2b18

Base Conversions

The number forty-seven in 35 different bases