The Number

20685

Twenty Thousand Six Hundred and Eighty-Five

In Base 31 Untrigesimal Is

lg831

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20682
lg531
Twenty Thousand Six Hundred and Eighty-Two in Base 31 Untrigesimal
20683
lg631
Twenty Thousand Six Hundred and Eighty-Three in Base 31 Untrigesimal
20684
lg731
Twenty Thousand Six Hundred and Eighty-Four in Base 31 Untrigesimal
20686
lg931
Twenty Thousand Six Hundred and Eighty-Six in Base 31 Untrigesimal
20687
lga31
Twenty Thousand Six Hundred and Eighty-Seven in Base 31 Untrigesimal
20688
lgb31
Twenty Thousand Six Hundred and Eighty-Eight in Base 31 Untrigesimal

Scientific Notation

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

2.0685e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001dk1kj2lkq1o31

The reciprocal of 20685 in Base 31 Untrigesimal.

Palindrome?

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

The number lg831 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 six hundred and eighty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand six hundred and eighty-five 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 twenty thousand six hundred and eighty-five has the following 4 prime factors:

3
331
Three in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
7
731
Seven in Base 31 Untrigesimal
197
6b31
One Hundred and Ninety-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

3311 · 5311 · 7311 · 6b311 = lg831

Base Conversions

The number twenty thousand six hundred and eighty-five in 35 different bases