The Number

81664

Eighty-One Thousand Six Hundred and Sixty-Four

In Base 4 Quaternary Is

1033300004

The numbers with a 4 subscript use Base 4 Quaternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81661
1033233314
Eighty-One Thousand Six Hundred and Sixty-One in Base 4 Quaternary
81662
1033233324
Eighty-One Thousand Six Hundred and Sixty-Two in Base 4 Quaternary
81663
1033233334
Eighty-One Thousand Six Hundred and Sixty-Three in Base 4 Quaternary
81665
1033300014
Eighty-One Thousand Six Hundred and Sixty-Five in Base 4 Quaternary
81666
1033300024
Eighty-One Thousand Six Hundred and Sixty-Six in Base 4 Quaternary
81667
1033300034
Eighty-One Thousand Six Hundred and Sixty-Seven in Base 4 Quaternary

Scientific Notation

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

8.1664e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000000303113010213110222202012314

The reciprocal of 81664 in Base 4 Quaternary.

Palindrome?

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

The number 1033300004 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 sixty-four is a composite number with 36 total factors (including 1 and itself).   See primes in Base 4 Quaternary

A Composite

Composites have more than just these two factors.

Eighty-one thousand six hundred and sixty-four is a composite number with 36 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 sixty-four has the following 3 prime factors:

2
24
Two in Base 4 Quaternary
11
234
Eleven in Base 4 Quaternary
29
1314
Twenty-Nine in Base 4 Quaternary

Prime Factorization

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

248 · 2341 · 13141 = 1033300004

Base Conversions

The number eighty-one thousand six hundred and sixty-four in 35 different bases