The Number

81006

Eighty-One Thousand and Six

In Base 7 Septenary Is

4551127

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

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

Nearby Numbers

Positive, nonzero integers within three units

81003
4551067
Eighty-One Thousand and Three in Base 7 Septenary
81004
4551107
Eighty-One Thousand and Four in Base 7 Septenary
81005
4551117
Eighty-One Thousand and Five in Base 7 Septenary
81007
4551137
Eighty-One Thousand and Seven in Base 7 Septenary
81008
4551147
Eighty-One Thousand and Eight in Base 7 Septenary
81009
4551157
Eighty-One Thousand and Nine in Base 7 Septenary

Scientific Notation

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

8.1006e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000131110430112352504437

The reciprocal of 81006 in Base 7 Septenary.

Palindrome?

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

The number 4551127 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 six is a composite number with 16 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 six is a composite number with 16 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 six has the following 4 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
23
327
Twenty-Three in Base 7 Septenary
587
14667
Five 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

271 · 371 · 3271 · 146671 = 4551127

Base Conversions

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