The Number

1561

One Thousand Five Hundred and Sixty-One

In Base 22 Duovigesimal Is

34l22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1558
34i22
One Thousand Five Hundred and Fifty-Eight in Base 22 Duovigesimal
1559
34j22
One Thousand Five Hundred and Fifty-Nine in Base 22 Duovigesimal
1560
34k22
One Thousand Five Hundred and Sixty in Base 22 Duovigesimal
1562
35022
One Thousand Five Hundred and Sixty-Two in Base 22 Duovigesimal
1563
35122
One Thousand Five Hundred and Sixty-Three in Base 22 Duovigesimal
1564
35222
One Thousand Five Hundred and Sixty-Four in Base 22 Duovigesimal

Scientific Notation

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

1.561e3

Reciprocal

A number multiplied with its reciprocal is one.

0.006i1aj147hgld922

The reciprocal of 1561 in Base 22 Duovigesimal.

Palindrome?

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

The number 34l22 is not a palindrome.

Not A Prime Number

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

One thousand five hundred and sixty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

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

7
722
Seven in Base 22 Duovigesimal
223
a322
Two Hundred and Twenty-Three in Base 22 Duovigesimal

Prime Factorization

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

7221 · a3221 = 34l22

Base Conversions

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