The Number

81641

Eighty-One Thousand Six Hundred and Forty-One

In Base 7 Septenary Is

4600107

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

For more familiar numbers: See Eighty-One Thousand Six Hundred and Forty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81638
4600047
Eighty-One Thousand Six Hundred and Thirty-Eight in Base 7 Septenary
81639
4600057
Eighty-One Thousand Six Hundred and Thirty-Nine in Base 7 Septenary
81640
4600067
Eighty-One Thousand Six Hundred and Forty in Base 7 Septenary
81642
4600117
Eighty-One Thousand Six Hundred and Forty-Two in Base 7 Septenary
81643
4600127
Eighty-One Thousand Six Hundred and Forty-Three in Base 7 Septenary
81644
4600137
Eighty-One Thousand Six Hundred and Forty-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.

8.1641e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000130416530132606334447

The reciprocal of 81641 in Base 7 Septenary.

Palindrome?

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

The number 4600107 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand six hundred and forty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Eighty-one thousand six hundred and forty-one is a composite number with 8 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-one thousand six hundred and forty-one has the following 3 prime factors:

7
107
Seven in Base 7 Septenary
107
2127
One Hundred and Seven in Base 7 Septenary
109
2147
One Hundred and Nine in Base 7 Septenary

Prime Factorization

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

1071 · 21271 · 21471 = 4600107

Base Conversions

The number eighty-one thousand six hundred and forty-one in 35 different bases