The Number

31985

Thirty-One Thousand Nine Hundred and Eighty-Five

In Base 25 Pentavigesimal Is

214a25

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

For more familiar numbers: See Thirty-One Thousand Nine Hundred and Eighty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

31982
214725
Thirty-One Thousand Nine Hundred and Eighty-Two in Base 25 Pentavigesimal
31983
214825
Thirty-One Thousand Nine Hundred and Eighty-Three in Base 25 Pentavigesimal
31984
214925
Thirty-One Thousand Nine Hundred and Eighty-Four in Base 25 Pentavigesimal
31986
214b25
Thirty-One Thousand Nine Hundred and Eighty-Six in Base 25 Pentavigesimal
31987
214c25
Thirty-One Thousand Nine Hundred and Eighty-Seven in Base 25 Pentavigesimal
31988
214d25
Thirty-One Thousand Nine Hundred and Eighty-Eight in Base 25 Pentavigesimal

Scientific Notation

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

3.1985e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000c57o7k2j957325

The reciprocal of 31985 in Base 25 Pentavigesimal.

Palindrome?

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

The number 214a25 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 nine hundred and eighty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand nine hundred and eighty-five 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 thirty-one thousand nine hundred and eighty-five has the following 2 prime factors:

5
525
Five in Base 25 Pentavigesimal
6397
a5m25
Six Thousand Three Hundred and Ninety-Seven in Base 25 Pentavigesimal

Prime Factorization

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

5251 · a5m251 = 214a25

Base Conversions

The number thirty-one thousand nine hundred and eighty-five in 35 different bases