The Number

845

Eight Hundred and Forty-Five

In Base 7 Septenary Is

23157

The numbers with a 7 subscript use Base 7 Septenary notation.

For more familiar numbers: See Eight Hundred and Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

842
23127
Eight Hundred and Forty-Two in Base 7 Septenary
843
23137
Eight Hundred and Forty-Three in Base 7 Septenary
844
23147
Eight Hundred and Forty-Four in Base 7 Septenary
846
23167
Eight Hundred and Forty-Six in Base 7 Septenary
847
23207
Eight Hundred and Forty-Seven in Base 7 Septenary
848
23217
Eight Hundred and Forty-Eight in Base 7 Septenary

Scientific Notation

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

8.45e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0002561415143530454567

The reciprocal of 845 in Base 7 Septenary.

Palindrome?

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

The number 23157 is not a palindrome.

Not A Prime Number

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

Eight hundred and forty-five is a composite number with 6 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Eight hundred and forty-five is a composite number with 6 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 eight hundred and forty-five has the following 2 prime factors:

5
57
Five in Base 7 Septenary
13
167
Thirteen in Base 7 Septenary

Prime Factorization

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

571 · 1672 = 23157

Base Conversions

The number eight hundred and forty-five in 35 different bases