The Number

1561

One Thousand Five Hundred and Sixty-One

In Base 3 Ternary Is

20102113

The numbers with a 3 subscript use Base 3 Ternary 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
20102013
One Thousand Five Hundred and Fifty-Eight in Base 3 Ternary
1559
20102023
One Thousand Five Hundred and Fifty-Nine in Base 3 Ternary
1560
20102103
One Thousand Five Hundred and Sixty in Base 3 Ternary
1562
20102123
One Thousand Five Hundred and Sixty-Two in Base 3 Ternary
1563
20102203
One Thousand Five Hundred and Sixty-Three in Base 3 Ternary
1564
20102213
One Thousand Five Hundred and Sixty-Four in Base 3 Ternary

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.

0.0000001101211100101010012101201002002223

The reciprocal of 1561 in Base 3 Ternary.

Palindrome?

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

The number 20102113 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 3 Ternary

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
213
Seven in Base 3 Ternary
223
220213
Two Hundred and Twenty-Three in Base 3 Ternary

Prime Factorization

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

2131 · 2202131 = 20102113

Base Conversions

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