The Number

81644

Eighty-One Thousand Six Hundred and Forty-Four

In Base 9 Nonary Is

1338859

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81641
1338829
Eighty-One Thousand Six Hundred and Forty-One in Base 9 Nonary
81642
1338839
Eighty-One Thousand Six Hundred and Forty-Two in Base 9 Nonary
81643
1338849
Eighty-One Thousand Six Hundred and Forty-Three in Base 9 Nonary
81645
1338869
Eighty-One Thousand Six Hundred and Forty-Five in Base 9 Nonary
81646
1338879
Eighty-One Thousand Six Hundred and Forty-Six in Base 9 Nonary
81647
1338889
Eighty-One Thousand Six Hundred and Forty-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.

8.1644e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000064522148746737069

The reciprocal of 81644 in Base 9 Nonary.

Palindrome?

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

The number 1338859 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-four is a composite number with 6 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 forty-four is a composite number with 6 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-four has the following 2 prime factors:

2
29
Two in Base 9 Nonary
20411
308889
Twenty Thousand Four Hundred and Eleven in Base 9 Nonary

Prime Factorization

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

292 · 3088891 = 1338859

Base Conversions

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