The Number

65

Sixty-Five

In Base 11 Undecimal Is

5a11

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

62
5711
Sixty-Two in Base 11 Undecimal
63
5811
Sixty-Three in Base 11 Undecimal
64
5911
Sixty-Four in Base 11 Undecimal
66
6011
Sixty-Six in Base 11 Undecimal
67
6111
Sixty-Seven in Base 11 Undecimal
68
6211
Sixty-Eight in Base 11 Undecimal

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.

0.01952786a3610195311

The reciprocal of 65 in Base 11 Undecimal.

Palindrome?

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

The number 5a11 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 11 Undecimal

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
511
Five in Base 11 Undecimal
13
1211
Thirteen in Base 11 Undecimal

Prime Factorization

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

5111 · 12111 = 5a11

Base Conversions

The number sixty-five in 35 different bases