The Number

81002

Eighty-One Thousand and Two

Nearby Numbers

Positive, nonzero integers within three units

80999
Eighty Thousand Nine Hundred and Ninety-Nine
81000
Eighty-One Thousand
81001
Eighty-One Thousand and One
81003
Eighty-One Thousand and Three
81004
Eighty-One Thousand and Four
81005
Eighty-One Thousand and Five

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.

0.000012345374188291647

The reciprocal of 81002.

Palindrome?

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

The number 81002 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 10 Decimal

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
Two
101
One Hundred and One
401
Four Hundred and One

Prime Factorization

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

21 · 1011 · 4011 = 81002

Base Conversions

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