The Number

65

Sixty-Five

In Base 15 Quindecimal Is

4515

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

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

Nearby Numbers

Positive, nonzero integers within three units

62
4215
Sixty-Two in Base 15 Quindecimal
63
4315
Sixty-Three in Base 15 Quindecimal
64
4415
Sixty-Four in Base 15 Quindecimal
66
4615
Sixty-Six in Base 15 Quindecimal
67
4715
Sixty-Seven in Base 15 Quindecimal
68
4815
Sixty-Eight in Base 15 Quindecimal

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.

0.036dca5b812493715

The reciprocal of 65 in Base 15 Quindecimal.

Palindrome?

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

The number 4515 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 15 Quindecimal

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
515
Five in Base 15 Quindecimal
13
d15
Thirteen in Base 15 Quindecimal

Prime Factorization

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

5151 · d151 = 4515

Base Conversions

The number sixty-five in 35 different bases