The Number

81001

Eighty-One Thousand and One

In Base 9 Nonary Is

1331019

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

80998
1330879
Eighty Thousand Nine Hundred and Ninety-Eight in Base 9 Nonary
80999
1330889
Eighty Thousand Nine Hundred and Ninety-Nine in Base 9 Nonary
81000
1331009
Eighty-One Thousand in Base 9 Nonary
81002
1331029
Eighty-One Thousand and Two in Base 9 Nonary
81003
1331039
Eighty-One Thousand and Three in Base 9 Nonary
81004
1331049
Eighty-One Thousand and Four in Base 9 Nonary

Scientific Notation

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

8.1001e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000065038163165817279

The reciprocal of 81001 in Base 9 Nonary.

Palindrome?

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

The number 1331019 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 one is the 7926th prime number.   See primes in Base 9 Nonary

Not A Composite

Composites have more than just these two factors.

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

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 one has the following 1 prime factor:

81001
1331019
Eighty-One Thousand and One in Base 9 Nonary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

13310191 = 1331019

Base Conversions

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