The Number

20987

Twenty Thousand Nine Hundred and Eighty-Seven

In Base 12 Duodecimal Is

1018b12

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20984
1018812
Twenty Thousand Nine Hundred and Eighty-Four in Base 12 Duodecimal
20985
1018912
Twenty Thousand Nine Hundred and Eighty-Five in Base 12 Duodecimal
20986
1018a12
Twenty Thousand Nine Hundred and Eighty-Six in Base 12 Duodecimal
20988
1019012
Twenty Thousand Nine Hundred and Eighty-Eight in Base 12 Duodecimal
20989
1019112
Twenty Thousand Nine Hundred and Eighty-Nine in Base 12 Duodecimal
20990
1019212
Twenty Thousand Nine Hundred and Ninety in Base 12 Duodecimal

Scientific Notation

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

2.0987e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ba34003363140b12

The reciprocal of 20987 in Base 12 Duodecimal.

Palindrome?

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

The number 1018b12 is not a palindrome.

Not A Prime Number

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

Twenty thousand nine hundred and eighty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Twenty thousand nine hundred and eighty-seven is a composite number with 4 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 twenty thousand nine hundred and eighty-seven has the following 2 prime factors:

31
2712
Thirty-One in Base 12 Duodecimal
677
48512
Six Hundred and Seventy-Seven in Base 12 Duodecimal

Prime Factorization

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

27121 · 485121 = 1018b12

Base Conversions

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