The Number

81604

Eighty-One Thousand Six Hundred and Four

In Base 7 Septenary Is

4566257

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

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

Nearby Numbers

Positive, nonzero integers within three units

81601
4566227
Eighty-One Thousand Six Hundred and One in Base 7 Septenary
81602
4566237
Eighty-One Thousand Six Hundred and Two in Base 7 Septenary
81603
4566247
Eighty-One Thousand Six Hundred and Three in Base 7 Septenary
81605
4566267
Eighty-One Thousand Six Hundred and Five in Base 7 Septenary
81606
4566307
Eighty-One Thousand Six Hundred and Six in Base 7 Septenary
81607
4566317
Eighty-One Thousand Six Hundred and Seven in Base 7 Septenary

Scientific Notation

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

8.1604e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000013043352056641533657

The reciprocal of 81604 in Base 7 Septenary.

Palindrome?

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

The number 4566257 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 four is a composite number with 12 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 four is a composite number with 12 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 four has the following 3 prime factors:

2
27
Two in Base 7 Septenary
23
327
Twenty-Three in Base 7 Septenary
887
24057
Eight Hundred and Eighty-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

272 · 3271 · 240571 = 4566257

Base Conversions

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