The Number

81648

Eighty-One Thousand Six Hundred and Forty-Eight

In Base 20 Vigesimal Is

a42820

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

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

Nearby Numbers

Positive, nonzero integers within three units

81645
a42520
Eighty-One Thousand Six Hundred and Forty-Five in Base 20 Vigesimal
81646
a42620
Eighty-One Thousand Six Hundred and Forty-Six in Base 20 Vigesimal
81647
a42720
Eighty-One Thousand Six Hundred and Forty-Seven in Base 20 Vigesimal
81649
a42920
Eighty-One Thousand Six Hundred and Forty-Nine in Base 20 Vigesimal
81650
a42a20
Eighty-One Thousand Six Hundred and Fifty in Base 20 Vigesimal
81651
a42b20
Eighty-One Thousand Six Hundred and Fifty-One in Base 20 Vigesimal

Scientific Notation

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

8.1648e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j3h111e51ehd20

The reciprocal of 81648 in Base 20 Vigesimal.

Palindrome?

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

The number a42820 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 six hundred and forty-eight is a composite number with 70 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 six hundred and forty-eight is a composite number with 70 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 six hundred and forty-eight has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal

Prime Factorization

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

2204 · 3206 · 7201 = a42820

Base Conversions

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