The Number

31828

Thirty-One Thousand Eight Hundred and Twenty-Eight

In Base 11 Undecimal Is

21a0511

The numbers with a 11 subscript use Base 11 Undecimal notation.

For more familiar numbers: See Thirty-One Thousand Eight Hundred and Twenty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

31825
21a0211
Thirty-One Thousand Eight Hundred and Twenty-Five in Base 11 Undecimal
31826
21a0311
Thirty-One Thousand Eight Hundred and Twenty-Six in Base 11 Undecimal
31827
21a0411
Thirty-One Thousand Eight Hundred and Twenty-Seven in Base 11 Undecimal
31829
21a0611
Thirty-One Thousand Eight Hundred and Twenty-Nine in Base 11 Undecimal
31830
21a0711
Thirty-One Thousand Eight Hundred and Thirty in Base 11 Undecimal
31831
21a0811
Thirty-One Thousand Eight Hundred and Thirty-One in Base 11 Undecimal

Scientific Notation

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

3.1828e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00005072a0814a47968411

The reciprocal of 31828 in Base 11 Undecimal.

Palindrome?

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

The number 21a0511 is not a palindrome.

Not A Prime Number

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

Thirty-one thousand eight hundred and twenty-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand eight hundred and twenty-eight is a composite number with 12 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 thirty-one thousand eight hundred and twenty-eight has the following 3 prime factors:

2
211
Two in Base 11 Undecimal
73
6711
Seventy-Three in Base 11 Undecimal
109
9a11
One Hundred and Nine in Base 11 Undecimal

Prime Factorization

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

2112 · 67111 · 9a111 = 21a0511

Base Conversions

The number thirty-one thousand eight hundred and twenty-eight in 35 different bases