The Number

87081

Eighty-Seven Thousand and Eighty-One

In Base 7 Septenary Is

5116117

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

For more familiar numbers: See Eighty-Seven Thousand and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

87078
5116057
Eighty-Seven Thousand and Seventy-Eight in Base 7 Septenary
87079
5116067
Eighty-Seven Thousand and Seventy-Nine in Base 7 Septenary
87080
5116107
Eighty-Seven Thousand and Eighty in Base 7 Septenary
87082
5116127
Eighty-Seven Thousand and Eighty-Two in Base 7 Septenary
87083
5116137
Eighty-Seven Thousand and Eighty-Three in Base 7 Septenary
87084
5116147
Eighty-Seven Thousand and Eighty-Four in Base 7 Septenary

Scientific Notation

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

8.7081e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000123125516135304160647

The reciprocal of 87081 in Base 7 Septenary.

Palindrome?

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

The number 5116117 is not a palindrome.

Not A Prime Number

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

Eighty-seven thousand and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Eighty-seven thousand and eighty-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 eighty-seven thousand and eighty-one has the following 2 prime factors:

3
37
Three in Base 7 Septenary
29027
1504257
Twenty-Nine Thousand and Twenty-Seven in Base 7 Septenary

Prime Factorization

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

371 · 15042571 = 5116117

Base Conversions

The number eighty-seven thousand and eighty-one in 35 different bases