The Number

20987

Twenty Thousand Nine Hundred and Eighty-Seven

In Base 31 Untrigesimal Is

lq031

The numbers with a 31 subscript use Base 31 Untrigesimal 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
lps31
Twenty Thousand Nine Hundred and Eighty-Four in Base 31 Untrigesimal
20985
lpt31
Twenty Thousand Nine Hundred and Eighty-Five in Base 31 Untrigesimal
20986
lpu31
Twenty Thousand Nine Hundred and Eighty-Six in Base 31 Untrigesimal
20988
lq131
Twenty Thousand Nine Hundred and Eighty-Eight in Base 31 Untrigesimal
20989
lq231
Twenty Thousand Nine Hundred and Eighty-Nine in Base 31 Untrigesimal
20990
lq331
Twenty Thousand Nine Hundred and Ninety in Base 31 Untrigesimal

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.

0.001d0480co17a531

The reciprocal of 20987 in Base 31 Untrigesimal.

Palindrome?

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

The number lq031 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 31 Untrigesimal

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
1031
Thirty-One in Base 31 Untrigesimal
677
lq31
Six Hundred and Seventy-Seven in Base 31 Untrigesimal

Prime Factorization

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

10311 · lq311 = lq031

Base Conversions

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