The Number

81340

Eighty-One Thousand Three Hundred and Forty

In Base 7 Septenary Is

4561007

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

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

Nearby Numbers

Positive, nonzero integers within three units

81337
4560647
Eighty-One Thousand Three Hundred and Thirty-Seven in Base 7 Septenary
81338
4560657
Eighty-One Thousand Three Hundred and Thirty-Eight in Base 7 Septenary
81339
4560667
Eighty-One Thousand Three Hundred and Thirty-Nine in Base 7 Septenary
81341
4561017
Eighty-One Thousand Three Hundred and Forty-One in Base 7 Septenary
81342
4561027
Eighty-One Thousand Three Hundred and Forty-Two in Base 7 Septenary
81343
4561037
Eighty-One Thousand Three Hundred and Forty-Three in Base 7 Septenary

Scientific Notation

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

8.1340e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000130605254551135001637

The reciprocal of 81340 in Base 7 Septenary.

Palindrome?

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

The number 4561007 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 three hundred and forty is a composite number with 36 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 three hundred and forty is a composite number with 36 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 three hundred and forty has the following 4 prime factors:

2
27
Two in Base 7 Septenary
5
57
Five in Base 7 Septenary
7
107
Seven in Base 7 Septenary
83
1467
Eighty-Three 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 · 571 · 1072 · 14671 = 4561007

Base Conversions

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