The Number

12987

Twelve Thousand Nine Hundred and Eighty-Seven

In Base 11 Undecimal Is

983711

The numbers with a 11 subscript use Base 11 Undecimal 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
983411
Twelve Thousand Nine Hundred and Eighty-Four in Base 11 Undecimal
12985
983511
Twelve Thousand Nine Hundred and Eighty-Five in Base 11 Undecimal
12986
983611
Twelve Thousand Nine Hundred and Eighty-Six in Base 11 Undecimal
12988
983811
Twelve Thousand Nine Hundred and Eighty-Eight in Base 11 Undecimal
12989
983911
Twelve Thousand Nine Hundred and Eighty-Nine in Base 11 Undecimal
12990
983a11
Twelve Thousand Nine Hundred and Ninety in Base 11 Undecimal

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.

0.00011445717673748811

The reciprocal of 12987 in Base 11 Undecimal.

Palindrome?

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

The number 983711 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 11 Undecimal

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
311
Three in Base 11 Undecimal
13
1211
Thirteen in Base 11 Undecimal
37
3411
Thirty-Seven in Base 11 Undecimal

Prime Factorization

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

3113 · 12111 · 34111 = 983711

Base Conversions

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