The Number

20561

Twenty Thousand Five Hundred and Sixty-One

In Base 13 Tridecimal Is

948813

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20558
948513
Twenty Thousand Five Hundred and Fifty-Eight in Base 13 Tridecimal
20559
948613
Twenty Thousand Five Hundred and Fifty-Nine in Base 13 Tridecimal
20560
948713
Twenty Thousand Five Hundred and Sixty in Base 13 Tridecimal
20562
948913
Twenty Thousand Five Hundred and Sixty-Two in Base 13 Tridecimal
20563
948a13
Twenty Thousand Five Hundred and Sixty-Three in Base 13 Tridecimal
20564
948b13
Twenty Thousand Five Hundred and Sixty-Four in Base 13 Tridecimal

Scientific Notation

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

2.0561e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001509a8c5b75959c13

The reciprocal of 20561 in Base 13 Tridecimal.

Palindrome?

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

The number 948813 is not a palindrome.

Not A Prime Number

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

Twenty thousand five hundred and sixty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Twenty 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 twenty thousand five hundred and sixty-one has the following 2 prime factors:

29
2313
Twenty-Nine in Base 13 Tridecimal
709
42713
Seven Hundred and Nine in Base 13 Tridecimal

Prime Factorization

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

23131 · 427131 = 948813

Base Conversions

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