The Number

12987

Twelve Thousand Nine Hundred and Eighty-Seven

In Base 9 Nonary Is

187309

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

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

Nearby Numbers

Positive, nonzero integers within three units

12984
187269
Twelve Thousand Nine Hundred and Eighty-Four in Base 9 Nonary
12985
187279
Twelve Thousand Nine Hundred and Eighty-Five in Base 9 Nonary
12986
187289
Twelve Thousand Nine Hundred and Eighty-Six in Base 9 Nonary
12988
187319
Twelve Thousand Nine Hundred and Eighty-Eight in Base 9 Nonary
12989
187329
Twelve Thousand Nine Hundred and Eighty-Nine in Base 9 Nonary
12990
187339
Twelve Thousand Nine 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.

1.2987e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000448253600448253619

The reciprocal of 12987 in Base 9 Nonary.

Palindrome?

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

The number 187309 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twelve thousand nine hundred and eighty-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.

Twelve thousand nine hundred and eighty-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 twelve thousand nine hundred and eighty-seven has the following 3 prime factors:

3
39
Three in Base 9 Nonary
13
149
Thirteen in Base 9 Nonary
37
419
Thirty-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

393 · 1491 · 4191 = 187309

Base Conversions

The number twelve thousand nine hundred and eighty-seven in 35 different bases