The Number

2561

Two Thousand Five Hundred and Sixty-One

In Base 16 Hexadecimal Is

a0116

The numbers with a 16 subscript use Base 16 Hexadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

2558
9fe16
Two Thousand Five Hundred and Fifty-Eight in Base 16 Hexadecimal
2559
9ff16
Two Thousand Five Hundred and Fifty-Nine in Base 16 Hexadecimal
2560
a0016
Two Thousand Five Hundred and Sixty in Base 16 Hexadecimal
2562
a0216
Two Thousand Five Hundred and Sixty-Two in Base 16 Hexadecimal
2563
a0316
Two Thousand Five Hundred and Sixty-Three in Base 16 Hexadecimal
2564
a0416
Two Thousand Five Hundred and Sixty-Four in Base 16 Hexadecimal

Scientific Notation

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

2.561e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0019970a7ef34e1216

The reciprocal of 2561 in Base 16 Hexadecimal.

Palindrome?

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

The number a0116 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 five hundred and sixty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 16 Hexadecimal

A Composite

Composites have more than just these two factors.

Two thousand five hundred and sixty-one is a composite number with 4 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 five hundred and sixty-one has the following 2 prime factors:

13
d16
Thirteen in Base 16 Hexadecimal
197
c516
One Hundred and Ninety-Seven in Base 16 Hexadecimal

Prime Factorization

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

d161 · c5161 = a0116

Base Conversions

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