The Number

561

Five Hundred and Sixty-One

In Base 31 Untrigesimal Is

i331

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

558
i031
Five Hundred and Fifty-Eight in Base 31 Untrigesimal
559
i131
Five Hundred and Fifty-Nine in Base 31 Untrigesimal
560
i231
Five Hundred and Sixty in Base 31 Untrigesimal
562
i431
Five Hundred and Sixty-Two in Base 31 Untrigesimal
563
i531
Five Hundred and Sixty-Three in Base 31 Untrigesimal
564
i631
Five Hundred and Sixty-Four in Base 31 Untrigesimal

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.

0.01m36aurhoi931

The reciprocal of 561 in Base 31 Untrigesimal.

Palindrome?

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

The number i331 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 31 Untrigesimal

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
331
Three in Base 31 Untrigesimal
11
b31
Eleven in Base 31 Untrigesimal
17
h31
Seventeen in Base 31 Untrigesimal

Prime Factorization

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

3311 · b311 · h311 = i331

Base Conversions

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