The Number

1561

One Thousand Five Hundred and Sixty-One

In Base 6 Senary Is

111216

The numbers with a 6 subscript use Base 6 Senary 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
111146
One Thousand Five Hundred and Fifty-Eight in Base 6 Senary
1559
111156
One Thousand Five Hundred and Fifty-Nine in Base 6 Senary
1560
111206
One Thousand Five Hundred and Sixty in Base 6 Senary
1562
111226
One Thousand Five Hundred and Sixty-Two in Base 6 Senary
1563
111236
One Thousand Five Hundred and Sixty-Three in Base 6 Senary
1564
111246
One Thousand Five Hundred and Sixty-Four in Base 6 Senary

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.

0.00004551553122121312032226

The reciprocal of 1561 in Base 6 Senary.

Palindrome?

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

The number 111216 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 6 Senary

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
116
Seven in Base 6 Senary
223
10116
Two Hundred and Twenty-Three in Base 6 Senary

Prime Factorization

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

1161 · 101161 = 111216

Base Conversions

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