The Number

81807

Eighty-One Thousand Eight Hundred and Seven

In Base 9 Nonary Is

1341869

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

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

Nearby Numbers

Positive, nonzero integers within three units

81804
1341839
Eighty-One Thousand Eight Hundred and Four in Base 9 Nonary
81805
1341849
Eighty-One Thousand Eight Hundred and Five in Base 9 Nonary
81806
1341859
Eighty-One Thousand Eight Hundred and Six in Base 9 Nonary
81808
1341879
Eighty-One Thousand Eight Hundred and Eight in Base 9 Nonary
81809
1341889
Eighty-One Thousand Eight Hundred and Nine in Base 9 Nonary
81810
1342009
Eighty-One Thousand Eight Hundred and Ten in Base 9 Nonary

Scientific Notation

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

8.1807e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000644170634044467059

The reciprocal of 81807 in Base 9 Nonary.

Palindrome?

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

The number 1341869 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 eight hundred and seven is a composite number with 16 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 eight hundred and seven is a composite number with 16 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 eight hundred and seven has the following 4 prime factors:

3
39
Three in Base 9 Nonary
11
129
Eleven in Base 9 Nonary
37
419
Thirty-Seven in Base 9 Nonary
67
749
Sixty-Seven in Base 9 Nonary

Prime Factorization

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

391 · 1291 · 4191 · 7491 = 1341869

Base Conversions

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