The Number

2561

Two Thousand Five Hundred and Sixty-One

In Base 12 Duodecimal Is

159512

The numbers with a 12 subscript use Base 12 Duodecimal 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
159212
Two Thousand Five Hundred and Fifty-Eight in Base 12 Duodecimal
2559
159312
Two Thousand Five Hundred and Fifty-Nine in Base 12 Duodecimal
2560
159412
Two Thousand Five Hundred and Sixty in Base 12 Duodecimal
2562
159612
Two Thousand Five Hundred and Sixty-Two in Base 12 Duodecimal
2563
159712
Two Thousand Five Hundred and Sixty-Three in Base 12 Duodecimal
2564
159812
Two Thousand Five Hundred and Sixty-Four in Base 12 Duodecimal

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.

0.000811b4022ba5947812

The reciprocal of 2561 in Base 12 Duodecimal.

Palindrome?

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

The number 159512 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 12 Duodecimal

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
1112
Thirteen in Base 12 Duodecimal
197
14512
One Hundred and Ninety-Seven in Base 12 Duodecimal

Prime Factorization

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

11121 · 145121 = 159512

Base Conversions

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