The Number

81002

Eighty-One Thousand and Two

In Base 20 Vigesimal Is

a2a220

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

80999
a29j20
Eighty Thousand Nine Hundred and Ninety-Nine in Base 20 Vigesimal
81000
a2a020
Eighty-One Thousand in Base 20 Vigesimal
81001
a2a120
Eighty-One Thousand and One in Base 20 Vigesimal
81003
a2a320
Eighty-One Thousand and Three in Base 20 Vigesimal
81004
a2a420
Eighty-One Thousand and Four in Base 20 Vigesimal
81005
a2a520
Eighty-One Thousand and Five in Base 20 Vigesimal

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.

0.0001ja21bbdf4h0e20

The reciprocal of 81002 in Base 20 Vigesimal.

Palindrome?

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

The number a2a220 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 20 Vigesimal

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
220
Two in Base 20 Vigesimal
101
5120
One Hundred and One in Base 20 Vigesimal
401
10120
Four Hundred and One in Base 20 Vigesimal

Prime Factorization

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

2201 · 51201 · 101201 = a2a220

Base Conversions

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