The Number

12665

Twelve Thousand Six Hundred and Sixty-Five

In Base 5 Quinary Is

4011305

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

12662
4011225
Twelve Thousand Six Hundred and Sixty-Two in Base 5 Quinary
12663
4011235
Twelve Thousand Six Hundred and Sixty-Three in Base 5 Quinary
12664
4011245
Twelve Thousand Six Hundred and Sixty-Four in Base 5 Quinary
12666
4011315
Twelve Thousand Six Hundred and Sixty-Six in Base 5 Quinary
12667
4011325
Twelve Thousand Six Hundred and Sixty-Seven in Base 5 Quinary
12668
4011335
Twelve Thousand Six Hundred and Sixty-Eight in Base 5 Quinary

Scientific Notation

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

1.2665e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000110410134423200143024145

The reciprocal of 12665 in Base 5 Quinary.

Palindrome?

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

The number 4011305 is not a palindrome.

Not A Prime Number

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

Twelve thousand six hundred and sixty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 5 Quinary

A Composite

Composites have more than just these two factors.

Twelve thousand six hundred and sixty-five is a composite number with 8 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 twelve thousand six hundred and sixty-five has the following 3 prime factors:

5
105
Five in Base 5 Quinary
17
325
Seventeen in Base 5 Quinary
149
10445
One Hundred and Forty-Nine in Base 5 Quinary

Prime Factorization

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

1051 · 3251 · 104451 = 4011305

Base Conversions

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