The Number

81002

Eighty-One Thousand and Two

In Base 7 Septenary Is

4551057

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

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

Nearby Numbers

Positive, nonzero integers within three units

80999
4551027
Eighty Thousand Nine Hundred and Ninety-Nine in Base 7 Septenary
81000
4551037
Eighty-One Thousand in Base 7 Septenary
81001
4551047
Eighty-One Thousand and One in Base 7 Septenary
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

Scientific Notation

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

8.1002e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000131111560421533555457

The reciprocal of 81002 in Base 7 Septenary.

Palindrome?

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

The number 4551057 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 two 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 two 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 two has the following 3 prime factors:

2
27
Two in Base 7 Septenary
101
2037
One Hundred and One in Base 7 Septenary
401
11127
Four Hundred and One 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 · 20371 · 111271 = 4551057

Base Conversions

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