The Number

81013

Eighty-One Thousand and Thirteen

In Base 7 Septenary Is

4551227

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

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

Nearby Numbers

Positive, nonzero integers within three units

81010
4551167
Eighty-One Thousand and Ten in Base 7 Septenary
81011
4551207
Eighty-One Thousand and Eleven in Base 7 Septenary
81012
4551217
Eighty-One Thousand and Twelve in Base 7 Septenary
81014
4551237
Eighty-One Thousand and Fourteen in Base 7 Septenary
81015
4551247
Eighty-One Thousand and Fifteen in Base 7 Septenary
81016
4551257
Eighty-One Thousand and Sixteen in Base 7 Septenary

Scientific Notation

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

8.1013e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000013110534451054155327

The reciprocal of 81013 in Base 7 Septenary.

Palindrome?

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

The number 4551227 is not a palindrome.

A Prime Number

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

Eighty-one thousand and thirteen is the 7927th prime number.   See primes in Base 7 Septenary

Not A Composite

Composites have more than just these two factors.

Eighty-One Thousand and Thirteen is not a composite number because it has exactly two factors: One and Eighty-One Thousand and Thirteen

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 and thirteen has the following 1 prime factor:

81013
4551227
Eighty-One Thousand and 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

45512271 = 4551227

Base Conversions

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