The Number

12905

Twelve Thousand Nine Hundred and Five

In Base 31 Untrigesimal Is

dd931

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

For more familiar numbers: See Twelve Thousand Nine Hundred and Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12902
dd631
Twelve Thousand Nine Hundred and Two in Base 31 Untrigesimal
12903
dd731
Twelve Thousand Nine Hundred and Three in Base 31 Untrigesimal
12904
dd831
Twelve Thousand Nine Hundred and Four in Base 31 Untrigesimal
12906
dda31
Twelve Thousand Nine Hundred and Six in Base 31 Untrigesimal
12907
ddb31
Twelve Thousand Nine Hundred and Seven in Base 31 Untrigesimal
12908
ddc31
Twelve Thousand Nine Hundred and 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.

1.2905e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0029he2e0tqlnq31

The reciprocal of 12905 in Base 31 Untrigesimal.

Palindrome?

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

The number dd931 is not a palindrome.

Not A Prime Number

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

Twelve thousand nine hundred and five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand nine hundred and five is a composite number with 8 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 twelve thousand nine hundred and five has the following 3 prime factors:

5
531
Five in Base 31 Untrigesimal
29
t31
Twenty-Nine in Base 31 Untrigesimal
89
2r31
Eighty-Nine in Base 31 Untrigesimal

Prime Factorization

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

5311 · t311 · 2r311 = dd931

Base Conversions

The number twelve thousand nine hundred and five in 35 different bases