The Number

65

Sixty-Five

In Base 18 Octodecimal Is

3b18

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

For more familiar numbers: See Sixty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

62
3818
Sixty-Two in Base 18 Octodecimal
63
3918
Sixty-Three in Base 18 Octodecimal
64
3a18
Sixty-Four in Base 18 Octodecimal
66
3c18
Sixty-Six in Base 18 Octodecimal
67
3d18
Sixty-Seven in Base 18 Octodecimal
68
3e18
Sixty-Eight in Base 18 Octodecimal

Scientific Notation

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

6.5e1

Reciprocal

A number multiplied with its reciprocal is one.

0.04hd04hd04hd0518

The reciprocal of 65 in Base 18 Octodecimal.

Palindrome?

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

The number 3b18 is not a palindrome.

Not A Prime Number

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

Sixty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Sixty-five 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 sixty-five has the following 2 prime factors:

5
518
Five in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal

Prime Factorization

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

5181 · d181 = 3b18

Base Conversions

The number sixty-five in 35 different bases