The Number

81011

Eighty-One Thousand and Eleven

In Base 7 Septenary Is

4551207

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

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

Nearby Numbers

Positive, nonzero integers within three units

81008
4551147
Eighty-One Thousand and Eight in Base 7 Septenary
81009
4551157
Eighty-One Thousand and Nine in Base 7 Septenary
81010
4551167
Eighty-One Thousand and Ten in Base 7 Septenary
81012
4551217
Eighty-One Thousand and Twelve in Base 7 Septenary
81013
4551227
Eighty-One Thousand and Thirteen in Base 7 Septenary
81014
4551237
Eighty-One Thousand and Fourteen in Base 7 Septenary

Scientific Notation

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

8.1011e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000131106061263631131127

The reciprocal of 81011 in Base 7 Septenary.

Palindrome?

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

The number 4551207 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 and eleven 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 and eleven 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 and eleven has the following 3 prime factors:

7
107
Seven in Base 7 Septenary
71
1317
Seventy-One in Base 7 Septenary
163
3227
One Hundred and Sixty-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

1071 · 13171 · 32271 = 4551207

Base Conversions

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