The Number

1665

One Thousand Six Hundred and Sixty-Five

In Base 27 Heptavigesimal Is

27i27

The numbers with a 27 subscript use Base 27 Heptavigesimal 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
27f27
One Thousand Six Hundred and Sixty-Two in Base 27 Heptavigesimal
1663
27g27
One Thousand Six Hundred and Sixty-Three in Base 27 Heptavigesimal
1664
27h27
One Thousand Six Hundred and Sixty-Four in Base 27 Heptavigesimal
1666
27j27
One Thousand Six Hundred and Sixty-Six in Base 27 Heptavigesimal
1667
27k27
One Thousand Six Hundred and Sixty-Seven in Base 27 Heptavigesimal
1668
27l27
One Thousand Six Hundred and Sixty-Eight in Base 27 Heptavigesimal

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.

0.00bm4pqb6ba9l27

The reciprocal of 1665 in Base 27 Heptavigesimal.

Palindrome?

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

The number 27i27 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 27 Heptavigesimal

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
327
Three in Base 27 Heptavigesimal
5
527
Five in Base 27 Heptavigesimal
37
1a27
Thirty-Seven in Base 27 Heptavigesimal

Prime Factorization

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

3272 · 5271 · 1a271 = 27i27

Base Conversions

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