The Number

2645

Two Thousand Six Hundred and Forty-Five

In Base 15 Quindecimal Is

bb515

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

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

Nearby Numbers

Positive, nonzero integers within three units

2642
bb215
Two Thousand Six Hundred and Forty-Two in Base 15 Quindecimal
2643
bb315
Two Thousand Six Hundred and Forty-Three in Base 15 Quindecimal
2644
bb415
Two Thousand Six Hundred and Forty-Four in Base 15 Quindecimal
2646
bb615
Two Thousand Six Hundred and Forty-Six in Base 15 Quindecimal
2647
bb715
Two Thousand Six Hundred and Forty-Seven in Base 15 Quindecimal
2648
bb815
Two Thousand Six Hundred and Forty-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.

2.645e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00142171b5857150315

The reciprocal of 2645 in Base 15 Quindecimal.

Palindrome?

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

The number bb515 is not a palindrome.

Not A Prime Number

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

Two thousand six hundred and forty-five is a composite number with 6 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Two thousand six hundred and forty-five is a composite number with 6 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 two thousand six hundred and forty-five has the following 2 prime factors:

5
515
Five in Base 15 Quindecimal
23
1815
Twenty-Three 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 · 18152 = bb515

Base Conversions

The number two thousand six hundred and forty-five in 35 different bases