The Number

561

Five Hundred and Sixty-One

In Base 15 Quindecimal Is

27615

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

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

Nearby Numbers

Positive, nonzero integers within three units

558
27315
Five Hundred and Fifty-Eight in Base 15 Quindecimal
559
27415
Five Hundred and Fifty-Nine in Base 15 Quindecimal
560
27515
Five Hundred and Sixty in Base 15 Quindecimal
562
27715
Five Hundred and Sixty-Two in Base 15 Quindecimal
563
27815
Five Hundred and Sixty-Three in Base 15 Quindecimal
564
27915
Five Hundred and Sixty-Four in Base 15 Quindecimal

Scientific Notation

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

5.61e2

Reciprocal

A number multiplied with its reciprocal is one.

0.006039227475a66315

The reciprocal of 561 in Base 15 Quindecimal.

Palindrome?

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

The number 27615 is not a palindrome.

Not A Prime Number

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

Five hundred and sixty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Five hundred and sixty-one 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 five hundred and sixty-one has the following 3 prime factors:

3
315
Three in Base 15 Quindecimal
11
b15
Eleven in Base 15 Quindecimal
17
1215
Seventeen in Base 15 Quindecimal

Prime Factorization

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

3151 · b151 · 12151 = 27615

Base Conversions

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