The Number

31905

Thirty-One Thousand Nine Hundred and Five

In Base 13 Tridecimal Is

116a313

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

31902
116a013
Thirty-One Thousand Nine Hundred and Two in Base 13 Tridecimal
31903
116a113
Thirty-One Thousand Nine Hundred and Three in Base 13 Tridecimal
31904
116a213
Thirty-One Thousand Nine Hundred and Four in Base 13 Tridecimal
31906
116a413
Thirty-One Thousand Nine Hundred and Six in Base 13 Tridecimal
31907
116a513
Thirty-One Thousand Nine Hundred and Seven in Base 13 Tridecimal
31908
116a613
Thirty-One Thousand Nine Hundred and Eight in Base 13 Tridecimal

Scientific Notation

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

3.1905e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b839647354acc6613

The reciprocal of 31905 in Base 13 Tridecimal.

Palindrome?

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

The number 116a313 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 five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand nine hundred and five 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 nine hundred and five has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
709
42713
Seven Hundred and Nine in Base 13 Tridecimal

Prime Factorization

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

3132 · 5131 · 427131 = 116a313

Base Conversions

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