The Number

1665

One Thousand Six Hundred and Sixty-Five

In Base 14 Quattuordecimal Is

86d14

The numbers with a 14 subscript use Base 14 Quattuordecimal notation.

For more familiar numbers: See One Thousand Six Hundred and Sixty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1662
86a14
One Thousand Six Hundred and Sixty-Two in Base 14 Quattuordecimal
1663
86b14
One Thousand Six Hundred and Sixty-Three in Base 14 Quattuordecimal
1664
86c14
One Thousand Six Hundred and Sixty-Four in Base 14 Quattuordecimal
1666
87014
One Thousand Six Hundred and Sixty-Six in Base 14 Quattuordecimal
1667
87114
One Thousand Six Hundred and Sixty-Seven in Base 14 Quattuordecimal
1668
87214
One Thousand Six Hundred and Sixty-Eight in Base 14 Quattuordecimal

Scientific Notation

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

1.665e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00191035b171001914

The reciprocal of 1665 in Base 14 Quattuordecimal.

Palindrome?

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

The number 86d14 is not a palindrome.

Not A Prime Number

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

One thousand six hundred and sixty-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 14 Quattuordecimal

A Composite

Composites have more than just these two factors.

One thousand six hundred and sixty-five is a composite number with 12 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 one thousand six hundred and sixty-five has the following 3 prime factors:

3
314
Three in Base 14 Quattuordecimal
5
514
Five in Base 14 Quattuordecimal
37
2914
Thirty-Seven in Base 14 Quattuordecimal

Prime Factorization

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

3142 · 5141 · 29141 = 86d14

Base Conversions

The number one thousand six hundred and sixty-five in 35 different bases