The Number

81387

Eighty-One Thousand Three Hundred and Eighty-Seven

In Base 9 Nonary Is

1335709

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

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

Nearby Numbers

Positive, nonzero integers within three units

81384
1335669
Eighty-One Thousand Three Hundred and Eighty-Four in Base 9 Nonary
81385
1335679
Eighty-One Thousand Three Hundred and Eighty-Five in Base 9 Nonary
81386
1335689
Eighty-One Thousand Three Hundred and Eighty-Six in Base 9 Nonary
81388
1335719
Eighty-One Thousand Three Hundred and Eighty-Eight in Base 9 Nonary
81389
1335729
Eighty-One Thousand Three Hundred and Eighty-Nine in Base 9 Nonary
81390
1335739
Eighty-One Thousand Three Hundred and Ninety in Base 9 Nonary

Scientific Notation

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

8.1387e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000646820247283577649

The reciprocal of 81387 in Base 9 Nonary.

Palindrome?

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

The number 1335709 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 three hundred and eighty-seven 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 three hundred and eighty-seven 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 three hundred and eighty-seven has the following 2 prime factors:

3
39
Three in Base 9 Nonary
9043
133579
Nine Thousand and Forty-Three in Base 9 Nonary

Prime Factorization

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

392 · 1335791 = 1335709

Base Conversions

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