The Number

81664

Eighty-One Thousand Six Hundred and Sixty-Four

In Base 9 Nonary Is

1340179

The numbers with a 9 subscript use Base 9 Nonary 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
1340149
Eighty-One Thousand Six Hundred and Sixty-One in Base 9 Nonary
81662
1340159
Eighty-One Thousand Six Hundred and Sixty-Two in Base 9 Nonary
81663
1340169
Eighty-One Thousand Six Hundred and Sixty-Three in Base 9 Nonary
81665
1340189
Eighty-One Thousand Six Hundred and Sixty-Five in Base 9 Nonary
81666
1340209
Eighty-One Thousand Six Hundred and Sixty-Six in Base 9 Nonary
81667
1340219
Eighty-One Thousand Six Hundred and Sixty-Seven in Base 9 Nonary

Scientific Notation

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

8.1664e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000645106370403206049

The reciprocal of 81664 in Base 9 Nonary.

Palindrome?

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

The number 1340179 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 9 Nonary

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
29
Two in Base 9 Nonary
11
129
Eleven in Base 9 Nonary
29
329
Twenty-Nine in Base 9 Nonary

Prime Factorization

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

298 · 1291 · 3291 = 1340179

Base Conversions

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